256011104515 has 16 divisors (see below), whose sum is σ = 310114386432. Its totient is φ = 202875213024.

The previous prime is 256011104507. The next prime is 256011104527. The reversal of 256011104515 is 515401110652.

It is a cyclic number.

It is not a de Polignac number, because 256011104515 - 2³ = 256011104507 is a prime.

It is a Duffinian 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, 8398732 + ... + 8429158.

It is an arithmetic number, because the mean of its divisors is an integer number (19382149152).

Almost surely, 2^256011104515 is an apocalyptic number.

256011104515 is a deficient number, since it is larger than the sum of its proper divisors (54103281917).

256011104515 is a wasteful number, since it uses less digits than its factorization.

256011104515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46266.

The product of its (nonzero) digits is 6000, while the sum is 31.

The spelling of 256011104515 in words is "two hundred fifty-six billion, eleven million, one hundred four thousand, five hundred fifteen".