118215822432 has 24 divisors (see below), whose sum is σ = 310316534136. Its totient is φ = 39405274112.

The previous prime is 118215822427. The next prime is 118215822457. The reversal of 118215822432 is 234228512811.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615707313 + ... + 615707504.

It is an arithmetic number, because the mean of its divisors is an integer number (12929855589).

Almost surely, 2^118215822432 is an apocalyptic number.

118215822432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

118215822432 is an abundant number, since it is smaller than the sum of its proper divisors (192100711704).

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

118215822432 is a wasteful number, since it uses less digits than its factorization.

118215822432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231414830 (or 1231414822 counting only the distinct ones).

The product of its digits is 61440, while the sum is 39.

The spelling of 118215822432 in words is "one hundred eighteen billion, two hundred fifteen million, eight hundred twenty-two thousand, four hundred thirty-two".