11515233155112 has 128 divisors (see below), whose sum is σ = 32012825443200. Its totient is φ = 3835284710400.

The previous prime is 11515233155057. The next prime is 11515233155117. The reversal of 11515233155112 is 21155133251511.

11515233155112 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 523 + 3 + 15 + 5 + 112 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (11515233155117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2439148912 + ... + 2439153632.

It is an arithmetic number, because the mean of its divisors is an integer number (250100198775).

Almost surely, 2^{11515233155112} is an apocalyptic number.

11515233155112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11515233155112 is an abundant number, since it is smaller than the sum of its proper divisors (20497592288088).

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

11515233155112 is a wasteful number, since it uses less digits than its factorization.

11515233155112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11544 (or 11534 counting only the distinct ones).

The product of its digits is 22500, while the sum is 36.

The spelling of 11515233155112 in words is "eleven trillion, five hundred fifteen billion, two hundred thirty-three million, one hundred fifty-five thousand, one hundred twelve".