115655504085 has 24 divisors (see below), whose sum is σ = 218694045024. Its totient is φ = 56075395680.

The previous prime is 115655504047. The next prime is 115655504089. The reversal of 115655504085 is 580405556511.

115655504085 is a `hidden beast` number, since 1 + 1 + 5 + 65 + 5 + 504 + 0 + 85 = 666.

It is not a de Polignac number, because 115655504085 - 2¹¹ = 115655502037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 115655504085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115655504089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116823247 + ... + 116824236.

It is an arithmetic number, because the mean of its divisors is an integer number (9112251876).

Almost surely, 2^115655504085 is an apocalyptic number.

115655504085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115655504085 is a deficient number, since it is larger than the sum of its proper divisors (103038540939).

115655504085 is a wasteful number, since it uses less digits than its factorization.

115655504085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233647505 (or 233647502 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 45.

The spelling of 115655504085 in words is "one hundred fifteen billion, six hundred fifty-five million, five hundred four thousand, eighty-five".