15015432055 has 16 divisors (see below), whose sum is σ = 19423109664. Its totient is φ = 11077718400.

The previous prime is 15015432041. The next prime is 15015432071. The reversal of 15015432055 is 55023451051.

It is not a de Polignac number, because 15015432055 - 2⁵ = 15015432023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41584 + ... + 178213.

It is an arithmetic number, because the mean of its divisors is an integer number (1213944354).

Almost surely, 2^15015432055 is an apocalyptic number.

15015432055 is a deficient number, since it is larger than the sum of its proper divisors (4407677609).

15015432055 is a wasteful number, since it uses less digits than its factorization.

15015432055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220866.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 15015432055 in words is "fifteen billion, fifteen million, four hundred thirty-two thousand, fifty-five".