11512310164 has 24 divisors (see below), whose sum is σ = 20809732608. Its totient is φ = 5566909920.

The previous prime is 11512310141. The next prime is 11512310171. The reversal of 11512310164 is 46101321511.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 170382 + ... + 228154.

It is an arithmetic number, because the mean of its divisors is an integer number (867072192).

Almost surely, 2^11512310164 is an apocalyptic number.

It is an amenable number.

11512310164 is a deficient number, since it is larger than the sum of its proper divisors (9297422444).

11512310164 is a wasteful number, since it uses less digits than its factorization.

11512310164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59415 (or 59413 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 11512310164 its reverse (46101321511), we get a palindrome (57613631675).

The spelling of 11512310164 in words is "eleven billion, five hundred twelve million, three hundred ten thousand, one hundred sixty-four".