11538568 has 8 divisors (see below), whose sum is σ = 21634830. Its totient is φ = 5769280.

The previous prime is 11538557. The next prime is 11538601. The reversal of 11538568 is 86583511.

It can be written as a sum of positive squares in only one way, i.e., 8655364 + 2883204 = 2942^2 + 1698^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721153 + ... + 721168.

Almost surely, 2^11538568 is an apocalyptic number.

It is an amenable number.

11538568 is a deficient number, since it is larger than the sum of its proper divisors (10096262).

11538568 is a wasteful number, since it uses less digits than its factorization.

11538568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442327 (or 1442323 counting only the distinct ones).

The product of its digits is 28800, while the sum is 37.

The square root of 11538568 is about 3396.8467731118. The cubic root of 11538568 is about 225.9699231648.

It can be divided in two parts, 115 and 38568, that added together give a palindrome (38683).

The spelling of 11538568 in words is "eleven million, five hundred thirty-eight thousand, five hundred sixty-eight".