115515050554 has 16 divisors (see below), whose sum is σ = 175768318440. Its totient is φ = 56931102720.

The previous prime is 115515050527. The next prime is 115515050579. The reversal of 115515050554 is 455050515511.

It can be written as a sum of positive squares in 4 ways, for example, as 93021950025 + 22493100529 = 304995^2 + 149977^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330687 + ... + 1414834.

Almost surely, 2^115515050554 is an apocalyptic number.

115515050554 is a deficient number, since it is larger than the sum of its proper divisors (60253267886).

115515050554 is a wasteful number, since it uses less digits than its factorization.

115515050554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745825.

The product of its (nonzero) digits is 62500, while the sum is 37.

The spelling of 115515050554 in words is "one hundred fifteen billion, five hundred fifteen million, fifty thousand, five hundred fifty-four".