2256526633531 has 16 divisors (see below), whose sum is σ = 2354277477888. Its totient is φ = 2161518004800.

The previous prime is 2256526633511. The next prime is 2256526633547. The reversal of 2256526633531 is 1353366256522.

It is a cyclic number.

It is not a de Polignac number, because 2256526633531 - 2⁵ = 2256526633499 is a prime.

It is a super-2 number, since 2×2256526633531² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2256526633511) 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, 2901775 + ... + 3596296.

It is an arithmetic number, because the mean of its divisors is an integer number (147142342368).

Almost surely, 2^{2256526633531} is an apocalyptic number.

2256526633531 is a deficient number, since it is larger than the sum of its proper divisors (97750844357).

2256526633531 is an equidigital number, since it uses as much as digits as its factorization.

2256526633531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6498282.

The product of its digits is 5832000, while the sum is 49.

The spelling of 2256526633531 in words is "two trillion, two hundred fifty-six billion, five hundred twenty-six million, six hundred thirty-three thousand, five hundred thirty-one".