11626464331 has 4 divisors (see below), whose sum is σ = 11687336064. Its totient is φ = 11565592600.

The previous prime is 11626464323. The next prime is 11626464361. The reversal of 11626464331 is 13346462611.

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 11626464331 - 2³ = 11626464323 is a prime.

It is a super-2 number, since 2×11626464331² (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 (11626464361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30435580 + ... + 30435961.

It is an arithmetic number, because the mean of its divisors is an integer number (2921834016).

Almost surely, 2^11626464331 is an apocalyptic number.

11626464331 is a deficient number, since it is larger than the sum of its proper divisors (60871733).

11626464331 is an equidigital number, since it uses as much as digits as its factorization.

11626464331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60871732.

The product of its digits is 62208, while the sum is 37.

The spelling of 11626464331 in words is "eleven billion, six hundred twenty-six million, four hundred sixty-four thousand, three hundred thirty-one".