11982575656 has 64 divisors (see below), whose sum is σ = 23660715600. Its totient is φ = 5681184768.

The previous prime is 11982575653. The next prime is 11982575753. The reversal of 11982575656 is 65657528911.

It can be written as a sum of positive squares in 8 ways, for example, as 11714598756 + 267976900 = 108234^2 + 16370^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11982575597 and 11982575606.

It is not an unprimeable number, because it can be changed into a prime (11982575651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4351176 + ... + 4353928.

Almost surely, 2^11982575656 is an apocalyptic number.

It is an amenable number.

11982575656 is a deficient number, since it is larger than the sum of its proper divisors (11678139944).

11982575656 is a wasteful number, since it uses less digits than its factorization.

11982575656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118 (or 3114 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 55.

The spelling of 11982575656 in words is "eleven billion, nine hundred eighty-two million, five hundred seventy-five thousand, six hundred fifty-six".