118817147185 has 32 divisors (see below), whose sum is σ = 158166662400. Its totient is φ = 84955910400.

The previous prime is 118817147177. The next prime is 118817147209. The reversal of 118817147185 is 581741718811.

It is not a de Polignac number, because 118817147185 - 2³ = 118817147177 is a prime.

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, 8390491 + ... + 8404639.

It is an arithmetic number, because the mean of its divisors is an integer number (4942708200).

Almost surely, 2^118817147185 is an apocalyptic number.

It is an amenable number.

118817147185 is a deficient number, since it is larger than the sum of its proper divisors (39349515215).

118817147185 is a wasteful number, since it uses less digits than its factorization.

118817147185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16729.

The product of its digits is 501760, while the sum is 52.

The spelling of 118817147185 in words is "one hundred eighteen billion, eight hundred seventeen million, one hundred forty-seven thousand, one hundred eighty-five".