11525810564 has 24 divisors (see below), whose sum is σ = 20681474688. Its totient is φ = 5617796000.

The previous prime is 11525810563. The next prime is 11525810567. The reversal of 11525810564 is 46501852511.

It is not an unprimeable number, because it can be changed into a prime (11525810563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74939 + ... + 169314.

It is an arithmetic number, because the mean of its divisors is an integer number (861728112).

Almost surely, 2^11525810564 is an apocalyptic number.

It is an amenable number.

11525810564 is a deficient number, since it is larger than the sum of its proper divisors (9155664124).

11525810564 is a wasteful number, since it uses less digits than its factorization.

11525810564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244555 (or 244553 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 38.

The spelling of 11525810564 in words is "eleven billion, five hundred twenty-five million, eight hundred ten thousand, five hundred sixty-four".