108815912 has 16 divisors (see below), whose sum is σ = 216031860. Its totient is φ = 51207424.

The previous prime is 108815891. The next prime is 108815957. The reversal of 108815912 is 219518801.

It can be written as a sum of positive squares in 2 ways, for example, as 102535876 + 6280036 = 10126^2 + 2506^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399923 + ... + 400194.

Almost surely, 2^108815912 is an apocalyptic number.

It is an amenable number.

108815912 is a deficient number, since it is larger than the sum of its proper divisors (107215948).

108815912 is a wasteful number, since it uses less digits than its factorization.

108815912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800140 (or 800136 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 35.

The square root of 108815912 is about 10431.4865671198. The cubic root of 108815912 is about 477.4165485587.

The spelling of 108815912 in words is "one hundred eight million, eight hundred fifteen thousand, nine hundred twelve".