2500056155 has 16 divisors (see below), whose sum is σ = 3030535200. Its totient is φ = 1979769600.

The previous prime is 2500056149. The next prime is 2500056179. The reversal of 2500056155 is 5516500052.

It is a de Polignac number, because none of the positive numbers 2^k-2500056155 is a prime.

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, 875480 + ... + 878330.

It is an arithmetic number, because the mean of its divisors is an integer number (189408450).

Almost surely, 2^2500056155 is an apocalyptic number.

2500056155 is a deficient number, since it is larger than the sum of its proper divisors (530479045).

2500056155 is a wasteful number, since it uses less digits than its factorization.

2500056155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4574.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 2500056155 is about 50000.5615468467. The cubic root of 2500056155 is about 1357.2189700961.

The spelling of 2500056155 in words is "two billion, five hundred million, fifty-six thousand, one hundred fifty-five".