## Treseptuagintatrecentillion

A Treseptuagintatrecentillion (1 Treseptuagintatrecentillion) is 10 to the power of 1122 (10^1122). This is a monumentally astronomical number!

## How many zeros in a Treseptuagintatrecentillion?

There are 1,122 zeros in a Treseptuagintatrecentillion.

## What's before Treseptuagintatrecentillion?

A Duoseptuagintatrecentillion is smaller than a Treseptuagintatrecentillion.

## What's after Treseptuagintatrecentillion?

A Quattuorseptuagintatrecentillion is larger than a Treseptuagintatrecentillion.

## Treseptuagintatrecentillionaire

A Treseptuagintatrecentillionaire is someone whos assets, net worth or wealth is 1 or more Treseptuagintatrecentillion. It is unlikely anyone will ever be a true Treseptuagintatrecentillionaire. If you want to be a Treseptuagintatrecentillionaire, play Tap Tales!

## Is Treseptuagintatrecentillion the largest number?

Treseptuagintatrecentillion is not the largest number. Infinity best describes the largest possible number - if there even is one! We cannot comprehend what the largest number actually is.

## Treseptuagintatrecentillion written out

Treseptuagintatrecentillion is written out as:

1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000

## Big Numbers

This is just one of many really big numbers!