256595481295 has 8 divisors (see below), whose sum is σ = 310904040096. Its totient is φ = 203283410016.

The previous prime is 256595481287. The next prime is 256595481313. The reversal of 256595481295 is 592184595652.

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 256595481295 - 2³ = 256595481287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249121312 + ... + 249122341.

It is an arithmetic number, because the mean of its divisors is an integer number (38863005012).

Almost surely, 2^256595481295 is an apocalyptic number.

256595481295 is a deficient number, since it is larger than the sum of its proper divisors (54308558801).

256595481295 is a wasteful number, since it uses less digits than its factorization.

256595481295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498243761.

The product of its digits is 38880000, while the sum is 61.

The spelling of 256595481295 in words is "two hundred fifty-six billion, five hundred ninety-five million, four hundred eighty-one thousand, two hundred ninety-five".