115345656855 has 336 divisors, whose sum is σ = 257735380896. Its totient is φ = 48826437120.

The previous prime is 115345656821. The next prime is 115345656887. The reversal of 115345656855 is 558656543511.

115345656855 is a `hidden beast` number, since 1 + 1 + 534 + 5 + 6 + 56 + 8 + 55 = 666.

It is not a de Polignac number, because 115345656855 - 2⁹ = 115345656343 is a prime.

It is a super-2 number, since 2×115345656855² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 188165529 + ... + 188166141.

It is an arithmetic number, because the mean of its divisors is an integer number (767069586).

Almost surely, 2^115345656855 is an apocalyptic number.

115345656855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115345656855 is an abundant number, since it is smaller than the sum of its proper divisors (142389724041).

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

115345656855 is a wasteful number, since it uses less digits than its factorization.

115345656855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698 (or 664 counting only the distinct ones).

The product of its digits is 10800000, while the sum is 54.

The spelling of 115345656855 in words is "one hundred fifteen billion, three hundred forty-five million, six hundred fifty-six thousand, eight hundred fifty-five".