256114522655 has 8 divisors (see below), whose sum is σ = 307544676432. Its totient is φ = 204753451968.

The previous prime is 256114522633. The next prime is 256114522673. The reversal of 256114522655 is 556225411652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 256114522655 - 2²² = 256110328351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17262614 + ... + 17277443.

It is an arithmetic number, because the mean of its divisors is an integer number (38443084554).

Almost surely, 2^256114522655 is an apocalyptic number.

256114522655 is a deficient number, since it is larger than the sum of its proper divisors (51430153777).

256114522655 is a wasteful number, since it uses less digits than its factorization.

256114522655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34541545.

The product of its digits is 720000, while the sum is 44.

The spelling of 256114522655 in words is "two hundred fifty-six billion, one hundred fourteen million, five hundred twenty-two thousand, six hundred fifty-five".