11121532556364 has 72 divisors (see below), whose sum is σ = 29625897013440. Its totient is φ = 3508085300832.

The previous prime is 11121532556359. The next prime is 11121532556441. The reversal of 11121532556364 is 46365523512111.

It is a happy number.

11121532556364 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 1 + 5 + 3 + 2 + 5 + 5 + 636 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8603022 + ... + 9810965.

Almost surely, 2^{11121532556364} is an apocalyptic number.

It is an amenable number.

11121532556364 is an abundant number, since it is smaller than the sum of its proper divisors (18504364457076).

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

11121532556364 is a wasteful number, since it uses less digits than its factorization.

11121532556364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18414899 (or 18414894 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The spelling of 11121532556364 in words is "eleven trillion, one hundred twenty-one billion, five hundred thirty-two million, five hundred fifty-six thousand, three hundred sixty-four".