118415993886 has 48 divisors (see below), whose sum is σ = 267196644000. Its totient is φ = 37855091904.

The previous prime is 118415993869. The next prime is 118415993887. The reversal of 118415993886 is 688399514811.

118415993886 is a `hidden beast` number, since 1 + 1 + 8 + 4 + 1 + 599 + 38 + 8 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118415993887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 683466 + ... + 839021.

It is an arithmetic number, because the mean of its divisors is an integer number (5566596750).

Almost surely, 2^118415993886 is an apocalyptic number.

118415993886 is an abundant number, since it is smaller than the sum of its proper divisors (148780650114).

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

118415993886 is a wasteful number, since it uses less digits than its factorization.

118415993886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522673 (or 1522670 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 63.

The spelling of 118415993886 in words is "one hundred eighteen billion, four hundred fifteen million, nine hundred ninety-three thousand, eight hundred eighty-six".