118515174690 has 128 divisors (see below), whose sum is σ = 313134750720. Its totient is φ = 28468627200.

The previous prime is 118515174683. The next prime is 118515174707. The reversal of 118515174690 is 96471515811.

It is a super-2 number, since 2×118515174690² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35836017 + ... + 35839323.

It is an arithmetic number, because the mean of its divisors is an integer number (2446365240).

Almost surely, 2^118515174690 is an apocalyptic number.

118515174690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 118515174690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156567375360).

118515174690 is an abundant number, since it is smaller than the sum of its proper divisors (194619576030).

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

118515174690 is a wasteful number, since it uses less digits than its factorization.

118515174690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288.

The product of its (nonzero) digits is 302400, while the sum is 48.

The spelling of 118515174690 in words is "one hundred eighteen billion, five hundred fifteen million, one hundred seventy-four thousand, six hundred ninety".