115515044 has 6 divisors (see below), whose sum is σ = 202151334. Its totient is φ = 57757520.

The previous prime is 115515019. The next prime is 115515053. The reversal of 115515044 is 440515511.

It can be written as a sum of positive squares in only one way, i.e., 105842944 + 9672100 = 10288^2 + 3110^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14439377 + ... + 14439384.

It is an arithmetic number, because the mean of its divisors is an integer number (33691889).

Almost surely, 2^115515044 is an apocalyptic number.

It is an amenable number.

115515044 is a deficient number, since it is larger than the sum of its proper divisors (86636290).

115515044 is a wasteful number, since it uses less digits than its factorization.

115515044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28878765 (or 28878763 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 115515044 is about 10747.7925175359. The cubic root of 115515044 is about 487.0193117638.

The spelling of 115515044 in words is "one hundred fifteen million, five hundred fifteen thousand, forty-four".