11516564 has 12 divisors (see below), whose sum is σ = 20496000. Its totient is φ = 5660568.

The previous prime is 11516543. The next prime is 11516569. The reversal of 11516564 is 46561511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11516569) 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, 24164 + ... + 24635.

It is an arithmetic number, because the mean of its divisors is an integer number (1708000).

Almost surely, 2^11516564 is an apocalyptic number.

It is an amenable number.

11516564 is a deficient number, since it is larger than the sum of its proper divisors (8979436).

11516564 is a wasteful number, since it uses less digits than its factorization.

11516564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48862 (or 48860 counting only the distinct ones).

The product of its digits is 3600, while the sum is 29.

The square root of 11516564 is about 3393.6063413425. The cubic root of 11516564 is about 225.8261905334.

The spelling of 11516564 in words is "eleven million, five hundred sixteen thousand, five hundred sixty-four".