118789172656 has 40 divisors (see below), whose sum is σ = 286945277184. Its totient is φ = 46281495360.

The previous prime is 118789172641. The next prime is 118789172683. The reversal of 118789172656 is 656271987811.

It is a super-2 number, since 2×118789172656² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 118789172594 and 118789172603.

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 7 ways as a sum of consecutive naturals, for example, 48208660 + ... + 48211123.

Almost surely, 2^118789172656 is an apocalyptic number.

118789172656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

118789172656 is an abundant number, since it is smaller than the sum of its proper divisors (168156104528).

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

118789172656 is a wasteful number, since it uses less digits than its factorization.

118789172656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96419809 (or 96419803 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 61.

The spelling of 118789172656 in words is "one hundred eighteen billion, seven hundred eighty-nine million, one hundred seventy-two thousand, six hundred fifty-six".