13256266265231 has 16 divisors (see below), whose sum is σ = 15346153533600. Its totient is φ = 11316998676480.

The previous prime is 13256266265227. The next prime is 13256266265233.

It is a happy number.

13256266265231 is nontrivially palindromic in base 10.

13256266265231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13256266265231 - 2² = 13256266265227 is a prime.

It is a super-2 number, since 2×13256266265231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13256266265231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13256266265233) 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, 78857156 + ... + 79025081.

It is an arithmetic number, because the mean of its divisors is an integer number (959134595850).

Almost surely, 2^{13256266265231} is an apocalyptic number.

13256266265231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13256266265231 is a deficient number, since it is larger than the sum of its proper divisors (2089887268369).

13256266265231 is a wasteful number, since it uses less digits than its factorization.

13256266265231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157882714.

The product of its digits is 4665600, while the sum is 50.

The spelling of 13256266265231 in words is "thirteen trillion, two hundred fifty-six billion, two hundred sixty-six million, two hundred sixty-five thousand, two hundred thirty-one".