15115650560055 has 48 divisors (see below), whose sum is σ = 26378340206400. Its totient is φ = 8006956591104.

The previous prime is 15115650560051. The next prime is 15115650560113. The reversal of 15115650560055 is 55006505651151.

15115650560055 is a `hidden beast` number, since 15 + 1 + 15 + 65 + 0 + 560 + 0 + 5 + 5 = 666.

It is not a de Polignac number, because 15115650560055 - 2² = 15115650560051 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15115650560051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94373319 + ... + 94533351.

It is an arithmetic number, because the mean of its divisors is an integer number (549548754300).

Almost surely, 2^{15115650560055} is an apocalyptic number.

15115650560055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15115650560055 is a deficient number, since it is larger than the sum of its proper divisors (11262689646345).

15115650560055 is a wasteful number, since it uses less digits than its factorization.

15115650560055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174280 (or 174277 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 45.

The spelling of 15115650560055 in words is "fifteen trillion, one hundred fifteen billion, six hundred fifty million, five hundred sixty thousand, fifty-five".