11538567 has 12 divisors (see below), whose sum is σ = 17544280. Its totient is φ = 7287408.

The previous prime is 11538557. The next prime is 11538601. The reversal of 11538567 is 76583511.

11538567 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11538567 - 2⁸ = 11538311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11538557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33568 + ... + 33909.

Almost surely, 2^11538567 is an apocalyptic number.

11538567 is a deficient number, since it is larger than the sum of its proper divisors (6005713).

11538567 is a wasteful number, since it uses less digits than its factorization.

11538567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67502 (or 67499 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 11538567 is about 3396.8466259165. The cubic root of 11538567 is about 225.9699166369.

The spelling of 11538567 in words is "eleven million, five hundred thirty-eight thousand, five hundred sixty-seven".