118115518 has 16 divisors (see below), whose sum is σ = 183730176. Its totient is φ = 56889720.

The previous prime is 118115497. The next prime is 118115527. The reversal of 118115518 is 815511811.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 118115518.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9555 + ... + 18097.

It is an arithmetic number, because the mean of its divisors is an integer number (11483136).

Almost surely, 2^118115518 is an apocalyptic number.

118115518 is a deficient number, since it is larger than the sum of its proper divisors (65614658).

118115518 is a wasteful number, since it uses less digits than its factorization.

118115518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8799.

The product of its digits is 1600, while the sum is 31.

The square root of 118115518 is about 10868.0963374457. The cubic root of 118115518 is about 490.6468176052.

The spelling of 118115518 in words is "one hundred eighteen million, one hundred fifteen thousand, five hundred eighteen".