11557082312 has 32 divisors (see below), whose sum is σ = 22383934200. Its totient is φ = 5589840384.

The previous prime is 11557082311. The next prime is 11557082323. The reversal of 11557082312 is 21328075511.

It can be written as a sum of positive squares in 4 ways, for example, as 9363658756 + 2193423556 = 96766^2 + 46834^2 .

It is not an unprimeable number, because it can be changed into a prime (11557082311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61637 + ... + 164052.

Almost surely, 2^11557082312 is an apocalyptic number.

It is an amenable number.

11557082312 is a deficient number, since it is larger than the sum of its proper divisors (10826851888).

11557082312 is a wasteful number, since it uses less digits than its factorization.

11557082312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225905 (or 225901 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 35.

The spelling of 11557082312 in words is "eleven billion, five hundred fifty-seven million, eighty-two thousand, three hundred twelve".