115155005543100 has 108 divisors (see below), whose sum is σ = 374315373652584. Its totient is φ = 30708001471680.

The previous prime is 115155005543093. The next prime is 115155005543111. The reversal of 115155005543100 is 1345500551511.

115155005543100 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 5 + 5 + 0 + 0 + 5 + 543 + 100 = 666.

It is a tau number, because it is divible by the number of its divisors (108).

It is a super-2 number, since 2×115155005543100² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2369420259 + ... + 2369468858.

Almost surely, 2^{115155005543100} is an apocalyptic number.

115155005543100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115155005543100 is an abundant number, since it is smaller than the sum of its proper divisors (259160368109484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115155005543100 is a wasteful number, since it uses less digits than its factorization.

115155005543100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4738889146 (or 4738889127 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 36.

The spelling of 115155005543100 in words is "one hundred fifteen trillion, one hundred fifty-five billion, five million, five hundred forty-three thousand, one hundred".