11542564 has 12 divisors (see below), whose sum is σ = 22035888. Its totient is φ = 5246600.

The previous prime is 11542549. The next prime is 11542567. The reversal of 11542564 is 46524511.

It is not an unprimeable number, because it can be changed into a prime (11542567) 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, 131122 + ... + 131209.

It is an arithmetic number, because the mean of its divisors is an integer number (1836324).

Almost surely, 2^11542564 is an apocalyptic number.

It is an amenable number.

11542564 is a deficient number, since it is larger than the sum of its proper divisors (10493324).

11542564 is a wasteful number, since it uses less digits than its factorization.

11542564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262346 (or 262344 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 11542564 is about 3397.4349147555. The cubic root of 11542564 is about 225.9960058813.

The spelling of 11542564 in words is "eleven million, five hundred forty-two thousand, five hundred sixty-four".