11567213164 has 24 divisors (see below), whose sum is σ = 21859183808. Its totient is φ = 5324158080.

The previous prime is 11567213149. The next prime is 11567213173. The reversal of 11567213164 is 46131276511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283977 + ... + 322144.

Almost surely, 2^11567213164 is an apocalyptic number.

It is an amenable number.

11567213164 is a deficient number, since it is larger than the sum of its proper divisors (10291970644).

11567213164 is a wasteful number, since it uses less digits than its factorization.

11567213164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606505 (or 606503 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

Adding to 11567213164 its reverse (46131276511), we get a palindrome (57698489675).

The spelling of 11567213164 in words is "eleven billion, five hundred sixty-seven million, two hundred thirteen thousand, one hundred sixty-four".