15055504555 has 96 divisors (see below), whose sum is σ = 24193572480. Its totient is φ = 8883302400.

The previous prime is 15055504549. The next prime is 15055504567. The reversal of 15055504555 is 55540555051.

It is a happy number.

It is not a de Polignac number, because 15055504555 - 2²⁵ = 15021950123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5900530 + ... + 5903080.

It is an arithmetic number, because the mean of its divisors is an integer number (252016380).

Almost surely, 2^15055504555 is an apocalyptic number.

15055504555 is a deficient number, since it is larger than the sum of its proper divisors (9138067925).

15055504555 is a wasteful number, since it uses less digits than its factorization.

15055504555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2709 (or 2702 counting only the distinct ones).

The product of its (nonzero) digits is 312500, while the sum is 40.

The spelling of 15055504555 in words is "fifteen billion, fifty-five million, five hundred four thousand, five hundred fifty-five".