11555628684 has 24 divisors (see below), whose sum is σ = 26994401280. Its totient is φ = 3847409424.

The previous prime is 11555628661. The next prime is 11555628691. The reversal of 11555628684 is 48682655511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547564 + ... + 568275.

It is an arithmetic number, because the mean of its divisors is an integer number (1124766720).

Almost surely, 2^11555628684 is an apocalyptic number.

It is an amenable number.

11555628684 is an abundant number, since it is smaller than the sum of its proper divisors (15438772596).

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

11555628684 is a wasteful number, since it uses less digits than its factorization.

11555628684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116709 (or 1116707 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 51.

The spelling of 11555628684 in words is "eleven billion, five hundred fifty-five million, six hundred twenty-eight thousand, six hundred eighty-four".