Youngest to write numbers and number names from 1 to 999 trillion
The record for being the youngest to write the numbers and number names from 1 to 999 trillion was set by Devesh Rathi (born on December 26, 2016) of Indore, Madhya Pradesh. He wrote a total 17 numbers and also number names from 1 to 999 trillion at the age of 4 years, 11 months and 23 days, as confirmed on December 18, 2021.