118518500085 has 32 divisors (see below), whose sum is σ = 195995344512. Its totient is φ = 61109717760.

The previous prime is 118518500077. The next prime is 118518500129. The reversal of 118518500085 is 580005815811.

It is not a de Polignac number, because 118518500085 - 2³ = 118518500077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 592951 + ... + 767220.

It is an arithmetic number, because the mean of its divisors is an integer number (6124854516).

Almost surely, 2^118518500085 is an apocalyptic number.

118518500085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118518500085 is a deficient number, since it is larger than the sum of its proper divisors (77476844427).

118518500085 is a wasteful number, since it uses less digits than its factorization.

118518500085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360373.

The product of its (nonzero) digits is 64000, while the sum is 42.

The spelling of 118518500085 in words is "one hundred eighteen billion, five hundred eighteen million, five hundred thousand, eighty-five".