11537638508 has 24 divisors (see below), whose sum is σ = 23185686720. Its totient is φ = 4968360720.

The previous prime is 11537638501. The next prime is 11537638513. The reversal of 11537638508 is 80583673511.

It is not an unprimeable number, because it can be changed into a prime (11537638501) 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, 6899666 + ... + 6901337.

It is an arithmetic number, because the mean of its divisors is an integer number (966070280).

Almost surely, 2^11537638508 is an apocalyptic number.

It is an amenable number.

11537638508 is an abundant number, since it is smaller than the sum of its proper divisors (11648048212).

11537638508 is a wasteful number, since it uses less digits than its factorization.

11537638508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13801037 (or 13801035 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 11537638508 in words is "eleven billion, five hundred thirty-seven million, six hundred thirty-eight thousand, five hundred eight".