2615155025256 has 32 divisors (see below), whose sum is σ = 7264319515200. Its totient is φ = 871718341680.

The previous prime is 2615155025251. The next prime is 2615155025309. The reversal of 2615155025256 is 6525205515162.

2615155025256 is a `hidden beast` number, since 2 + 6 + 1 + 51 + 550 + 25 + 25 + 6 = 666.

It is a super-2 number, since 2×2615155025256² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2615155025251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6053599380 + ... + 6053599811.

It is an arithmetic number, because the mean of its divisors is an integer number (227009984850).

Almost surely, 2^{2615155025256} is an apocalyptic number.

It is an amenable number.

2615155025256 is an abundant number, since it is smaller than the sum of its proper divisors (4649164489944).

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

2615155025256 is a wasteful number, since it uses less digits than its factorization.

2615155025256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12107199206 (or 12107199196 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 45.

The spelling of 2615155025256 in words is "two trillion, six hundred fifteen billion, one hundred fifty-five million, twenty-five thousand, two hundred fifty-six".