12091364560556 has 48 divisors (see below), whose sum is σ = 21421228308480. Its totient is φ = 5971359683520.

The previous prime is 12091364560543. The next prime is 12091364560633. The reversal of 12091364560556 is 65506546319021.

It is a junction number, because it is equal to n+sod(n) for n = 12091364560498 and 12091364560507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663950291 + ... + 663968501.

It is an arithmetic number, because the mean of its divisors is an integer number (446275589760).

Almost surely, 2^{12091364560556} is an apocalyptic number.

It is an amenable number.

12091364560556 is a deficient number, since it is larger than the sum of its proper divisors (9329863747924).

12091364560556 is a wasteful number, since it uses less digits than its factorization.

12091364560556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22854 (or 22852 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 53.

The spelling of 12091364560556 in words is "twelve trillion, ninety-one billion, three hundred sixty-four million, five hundred sixty thousand, five hundred fifty-six".