118108865 has 24 divisors (see below), whose sum is σ = 165657960. Its totient is φ = 80602368.

The previous prime is 118108819. The next prime is 118108889. The reversal of 118108865 is 568801811.

It can be written as a sum of positive squares in 4 ways, for example, as 82369 + 118026496 = 287^2 + 10864^2 .

It is not a de Polignac number, because 118108865 - 2⁶ = 118108801 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56051 + ... + 58119.

It is an arithmetic number, because the mean of its divisors is an integer number (6902415).

Almost surely, 2^118108865 is an apocalyptic number.

It is an amenable number.

118108865 is a deficient number, since it is larger than the sum of its proper divisors (47549095).

118108865 is a wasteful number, since it uses less digits than its factorization.

118108865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321 (or 2314 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 38.

The square root of 118108865 is about 10867.7902537728. The cubic root of 118108865 is about 490.6376053397.

The spelling of 118108865 in words is "one hundred eighteen million, one hundred eight thousand, eight hundred sixty-five".