118791279990 has 24 divisors (see below), whose sum is σ = 308857328208. Its totient is φ = 31677674640.

The previous prime is 118791279947. The next prime is 118791280007. The reversal of 118791279990 is 99972197811.

It is a super-2 number, since 2×118791279990² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 659951466 + ... + 659951645.

It is an arithmetic number, because the mean of its divisors is an integer number (12869055342).

Almost surely, 2^118791279990 is an apocalyptic number.

118791279990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118791279990 is an abundant number, since it is smaller than the sum of its proper divisors (190066048218).

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

118791279990 is a wasteful number, since it uses less digits than its factorization.

118791279990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319903124 (or 1319903121 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 63.

The spelling of 118791279990 in words is "one hundred eighteen billion, seven hundred ninety-one million, two hundred seventy-nine thousand, nine hundred ninety".