11464256131 has 4 divisors (see below), whose sum is σ = 11464692064. Its totient is φ = 11463820200.

The previous prime is 11464256117. The next prime is 11464256143. The reversal of 11464256131 is 13165246411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11464256131 - 2¹⁷ = 11464125059 is a prime.

It is a super-2 number, since 2×11464256131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11464256171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175800 + ... + 232021.

It is an arithmetic number, because the mean of its divisors is an integer number (2866173016).

Almost surely, 2^11464256131 is an apocalyptic number.

11464256131 is a deficient number, since it is larger than the sum of its proper divisors (435933).

11464256131 is an equidigital number, since it uses as much as digits as its factorization.

11464256131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435932.

The product of its digits is 17280, while the sum is 34.

The spelling of 11464256131 in words is "eleven billion, four hundred sixty-four million, two hundred fifty-six thousand, one hundred thirty-one".