11527138692 has 36 divisors (see below), whose sum is σ = 29506888320. Its totient is φ = 3793740912.

The previous prime is 11527138639. The next prime is 11527138697. The reversal of 11527138692 is 29683172511.

11527138692 is a `hidden beast` number, since 1 + 1 + 527 + 1 + 38 + 6 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (11527138697) 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, 2023728 + ... + 2029415.

Almost surely, 2^11527138692 is an apocalyptic number.

11527138692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11527138692 is an abundant number, since it is smaller than the sum of its proper divisors (17979749628).

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

11527138692 is a wasteful number, since it uses less digits than its factorization.

11527138692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053232 (or 4053227 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The spelling of 11527138692 in words is "eleven billion, five hundred twenty-seven million, one hundred thirty-eight thousand, six hundred ninety-two".