15000556255 has 4 divisors (see below), whose sum is σ = 18000667512. Its totient is φ = 12000445000.

The previous prime is 15000556247. The next prime is 15000556273. The reversal of 15000556255 is 55265500051.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 15000556255 - 2³ = 15000556247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15000556255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1500055621 + ... + 1500055630.

It is an arithmetic number, because the mean of its divisors is an integer number (4500166878).

Almost surely, 2^15000556255 is an apocalyptic number.

15000556255 is a deficient number, since it is larger than the sum of its proper divisors (3000111257).

15000556255 is an equidigital number, since it uses as much as digits as its factorization.

15000556255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000111256.

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 15000556255 in words is "fifteen billion, five hundred fifty-six thousand, two hundred fifty-five".