11518562164 has 12 divisors (see below), whose sum is σ = 20159693344. Its totient is φ = 5758649784.

The previous prime is 11518562161. The next prime is 11518562191. The reversal of 11518562164 is 46126581511.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11518562161) 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, 115512 + ... + 190735.

Almost surely, 2^11518562164 is an apocalyptic number.

It is an amenable number.

11518562164 is a deficient number, since it is larger than the sum of its proper divisors (8641131180).

11518562164 is a wasteful number, since it uses less digits than its factorization.

11518562164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315654 (or 315652 counting only the distinct ones).

The product of its digits is 57600, while the sum is 40.

The spelling of 11518562164 in words is "eleven billion, five hundred eighteen million, five hundred sixty-two thousand, one hundred sixty-four".