115915916 has 6 divisors (see below), whose sum is σ = 202852860. Its totient is φ = 57957956.

The previous prime is 115915909. The next prime is 115915957. The reversal of 115915916 is 619519511.

It is a self number, because there is not a number n which added to its sum of digits gives 115915916.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14489486 + ... + 14489493.

It is an arithmetic number, because the mean of its divisors is an integer number (33808810).

Almost surely, 2^115915916 is an apocalyptic number.

It is an amenable number.

115915916 is a deficient number, since it is larger than the sum of its proper divisors (86936944).

115915916 is a wasteful number, since it uses less digits than its factorization.

115915916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28978983 (or 28978981 counting only the distinct ones).

The product of its digits is 12150, while the sum is 38.

The square root of 115915916 is about 10766.4254049336. The cubic root of 115915916 is about 487.5820292384.

The spelling of 115915916 in words is "one hundred fifteen million, nine hundred fifteen thousand, nine hundred sixteen".