118021105764 has 81 divisors (see below), whose sum is σ = 308432142291. Its totient is φ = 38050711920.

The previous prime is 118021105759. The next prime is 118021105781. The reversal of 118021105764 is 467501120811.

The square root of 118021105764 is 343542.

It is a perfect power (a square), and thus also a powerful number.

118021105764 is a `hidden beast` number, since 1 + 1 + 80 + 2 + 1 + 1 + 0 + 576 + 4 = 666.

118021105764 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 63897889 + ... + 63899735.

Almost surely, 2^118021105764 is an apocalyptic number.

118021105764 is the 343542-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118021105764

118021105764 is an abundant number, since it is smaller than the sum of its proper divisors (190411036527).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118021105764 is an equidigital number, since it uses as much as digits as its factorization.

118021105764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766 (or 1883 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

Multiplying 118021105764 by its sum of digits (36), we get a square (4248759807504 = 2061252²).

118021105764 divided by its sum of digits (36) gives a square (3278364049 = 57257²).

The spelling of 118021105764 in words is "one hundred eighteen billion, twenty-one million, one hundred five thousand, seven hundred sixty-four".