118517968239 has 32 divisors (see below), whose sum is σ = 178466112000. Its totient is φ = 69300927360.

The previous prime is 118517968223. The next prime is 118517968291. The reversal of 118517968239 is 932869715811.

It is not a de Polignac number, because 118517968239 - 2⁴ = 118517968223 is a prime.

It is a super-2 number, since 2×118517968239² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118517968039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1268862 + ... + 1359060.

It is an arithmetic number, because the mean of its divisors is an integer number (5577066000).

Almost surely, 2^118517968239 is an apocalyptic number.

118517968239 is a deficient number, since it is larger than the sum of its proper divisors (59948143761).

118517968239 is a wasteful number, since it uses less digits than its factorization.

118517968239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91615.

The product of its digits is 6531840, while the sum is 60.

The spelling of 118517968239 in words is "one hundred eighteen billion, five hundred seventeen million, nine hundred sixty-eight thousand, two hundred thirty-nine".