118639674518 has 32 divisors (see below), whose sum is σ = 186672245760. Its totient is φ = 56491525440.

The previous prime is 118639674509. The next prime is 118639674521. The reversal of 118639674518 is 815476936811.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1420055 + ... + 1501277.

It is an arithmetic number, because the mean of its divisors is an integer number (5833507680).

Almost surely, 2^118639674518 is an apocalyptic number.

118639674518 is a deficient number, since it is larger than the sum of its proper divisors (68032571242).

118639674518 is a wasteful number, since it uses less digits than its factorization.

118639674518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81692.

The product of its digits is 8709120, while the sum is 59.

The spelling of 118639674518 in words is "one hundred eighteen billion, six hundred thirty-nine million, six hundred seventy-four thousand, five hundred eighteen".