15135929055 has 128 divisors (see below), whose sum is σ = 30670080000. Its totient is φ = 7020794880.

The previous prime is 15135929047. The next prime is 15135929099. The reversal of 15135929055 is 55092953151.

15135929055 is a `hidden beast` number, since 1 + 5 + 1 + 3 + 592 + 9 + 0 + 55 = 666.

It is not a de Polignac number, because 15135929055 - 2³ = 15135929047 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 15135929055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6634515 + ... + 6636795.

It is an arithmetic number, because the mean of its divisors is an integer number (239610000).

Almost surely, 2^15135929055 is an apocalyptic number.

15135929055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15135929055 is an abundant number, since it is smaller than the sum of its proper divisors (15534150945).

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

15135929055 is a wasteful number, since it uses less digits than its factorization.

15135929055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526 (or 2520 counting only the distinct ones).

The product of its (nonzero) digits is 303750, while the sum is 45.

The spelling of 15135929055 in words is "fifteen billion, one hundred thirty-five million, nine hundred twenty-nine thousand, fifty-five".