A Duoquinquagintaducentillion (1 Duoquinquagintaducentillion) is 10 to the power of 759 (10^759). This is a stupendously astronomical number!

## How many zeros in a Duoquinquagintaducentillion?

There are 759 zeros in a Duoquinquagintaducentillion.

## What's before Duoquinquagintaducentillion?

A Unquinquagintaducentillion is smaller than a Duoquinquagintaducentillion.

## What's after Duoquinquagintaducentillion?

A Tresquinquagintaducentillion is larger than a Duoquinquagintaducentillion.

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

## Is Duoquinquagintaducentillion the largest number?

Duoquinquagintaducentillion 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.

## Duoquinquagintaducentillion written out

Duoquinquagintaducentillion 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

## Big Numbers

This is just one of many really big numbers!