2256656351133 has 16 divisors (see below), whose sum is σ = 3015501004800. Its totient is φ = 1501128142080.

The previous prime is 2256656351123. The next prime is 2256656351207. The reversal of 2256656351133 is 3311536566522.

It is not a de Polignac number, because 2256656351133 - 2¹² = 2256656347037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256656351123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2139748 + ... + 3015266.

It is an arithmetic number, because the mean of its divisors is an integer number (188468812800).

Almost surely, 2^{2256656351133} is an apocalyptic number.

It is an amenable number.

2256656351133 is a deficient number, since it is larger than the sum of its proper divisors (758844653667).

2256656351133 is a wasteful number, since it uses less digits than its factorization.

2256656351133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877412.

The product of its digits is 2916000, while the sum is 48.

The spelling of 2256656351133 in words is "two trillion, two hundred fifty-six billion, six hundred fifty-six million, three hundred fifty-one thousand, one hundred thirty-three".