11626464321 has 12 divisors (see below), whose sum is σ = 16797031680. Its totient is φ = 7749476280.

The previous prime is 11626464319. The next prime is 11626464323. The reversal of 11626464321 is 12346462611.

11626464321 is a `hidden beast` number, since 1 + 1 + 6 + 2 + 6 + 4 + 643 + 2 + 1 = 666.

11626464321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11626464319) and next prime (11626464323).

It is not a de Polignac number, because 11626464321 - 2¹ = 11626464319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11626464323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74845 + ... + 169866.

It is an arithmetic number, because the mean of its divisors is an integer number (1399752640).

Almost surely, 2^11626464321 is an apocalyptic number.

It is an amenable number.

11626464321 is a deficient number, since it is larger than the sum of its proper divisors (5170567359).

11626464321 is a wasteful number, since it uses less digits than its factorization.

11626464321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249996 (or 249993 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The spelling of 11626464321 in words is "eleven billion, six hundred twenty-six million, four hundred sixty-four thousand, three hundred twenty-one".