11585722138828 has 12 divisors (see below), whose sum is σ = 21342119729560. Its totient is φ = 5487973644672.

The previous prime is 11585722138751. The next prime is 11585722138849. The reversal of 11585722138828 is 82883122758511.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76221856101 + ... + 76221856252.

Almost surely, 2^{11585722138828} is an apocalyptic number.

It is an amenable number.

11585722138828 is a deficient number, since it is larger than the sum of its proper divisors (9756397590732).

11585722138828 is a wasteful number, since it uses less digits than its factorization.

11585722138828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152443712376 (or 152443712374 counting only the distinct ones).

The product of its digits is 17203200, while the sum is 61.

The spelling of 11585722138828 in words is "eleven trillion, five hundred eighty-five billion, seven hundred twenty-two million, one hundred thirty-eight thousand, eight hundred twenty-eight".