11538536112 has 30 divisors (see below), whose sum is σ = 32291875772. Its totient is φ = 3846178656.

The previous prime is 11538536083. The next prime is 11538536167. The reversal of 11538536112 is 21163583511.

It is a happy number.

11538536112 is a `hidden beast` number, since 1 + 1 + 5 + 3 + 8 + 536 + 112 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40064218 + ... + 40064505.

Almost surely, 2^11538536112 is an apocalyptic number.

11538536112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11538536112 is an abundant number, since it is smaller than the sum of its proper divisors (20753339660).

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

11538536112 is a wasteful number, since it uses less digits than its factorization.

11538536112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80128737 (or 80128728 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The spelling of 11538536112 in words is "eleven billion, five hundred thirty-eight million, five hundred thirty-six thousand, one hundred twelve".