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The biggest named number that we know is googolplex, ten to the googol power, or (10)^(10^100).

That’s written as a one followed by googol zeroes.

## What is the name of the largest number known to man?

The largest number that has a commonly-known specific name is a “googleplex”, which is a 1 followed by a googol zeros, where a “googol” is 10^(100) (a 1 followed by 100 zeros).

## What is a Googolplexianth?

A googolplexianth is the biggest amount of whatever at least, the one that has been given an official name, yet is bigger than Infinity.

## What is the biggest number in the world 2019?

The biggest number referred to regularly is a googolplex (10googol), which works out as 1010^100.

## What is this number 1000000000000000000000000?

A thousand trillions is a quadrillion: 1,000,000,000,000,000.