115512400202555 has 32 divisors (see below), whose sum is σ = 142472716108800. Its totient is φ = 89873239053312.

The previous prime is 115512400202509. The next prime is 115512400202567. The reversal of 115512400202555 is 555202004215511.

It is a cyclic number.

It is not a de Polignac number, because 115512400202555 - 2¹⁰ = 115512400201531 is a prime.

It is a super-2 number, since 2×115512400202555² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 500417156 + ... + 500647934.

It is an arithmetic number, because the mean of its divisors is an integer number (4452272378400).

Almost surely, 2^{115512400202555} is an apocalyptic number.

115512400202555 is a deficient number, since it is larger than the sum of its proper divisors (26960315906245).

115512400202555 is a wasteful number, since it uses less digits than its factorization.

115512400202555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249843.

The product of its (nonzero) digits is 100000, while the sum is 38.

The spelling of 115512400202555 in words is "one hundred fifteen trillion, five hundred twelve billion, four hundred million, two hundred two thousand, five hundred fifty-five".