2256315300261 has 32 divisors (see below), whose sum is σ = 3646678717440. Its totient is φ = 1367423118000.

The previous prime is 2256315300229. The next prime is 2256315300319. The reversal of 2256315300261 is 1620035136522.

2256315300261 is a `hidden beast` number, since 2 + 2 + 5 + 63 + 1 + 530 + 0 + 2 + 61 = 666.

It is not a de Polignac number, because 2256315300261 - 2⁵ = 2256315300229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256315300961) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 12099616 + ... + 12284678.

It is an arithmetic number, because the mean of its divisors is an integer number (113958709920).

Almost surely, 2^{2256315300261} is an apocalyptic number.

It is an amenable number.

2256315300261 is a deficient number, since it is larger than the sum of its proper divisors (1390363417179).

2256315300261 is a wasteful number, since it uses less digits than its factorization.

2256315300261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226134 (or 226128 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 2256315300261 in words is "two trillion, two hundred fifty-six billion, three hundred fifteen million, three hundred thousand, two hundred sixty-one".