11512542 has 32 divisors (see below), whose sum is σ = 23595264. Its totient is φ = 3744000.

The previous prime is 11512541. The next prime is 11512547. The reversal of 11512542 is 24521511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11512541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76167 + ... + 76317.

It is an arithmetic number, because the mean of its divisors is an integer number (737352).

Almost surely, 2^11512542 is an apocalyptic number.

11512542 is an abundant number, since it is smaller than the sum of its proper divisors (12082722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11512542 is a wasteful number, since it uses less digits than its factorization.

11512542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384.

The product of its digits is 400, while the sum is 21.

The square root of 11512542 is about 3393.0137046584. The cubic root of 11512542 is about 225.7998985858.

The spelling of 11512542 in words is "eleven million, five hundred twelve thousand, five hundred forty-two".