11687557383844 has 48 divisors (see below), whose sum is σ = 21258079768576. Its totient is φ = 5616531446400.

The previous prime is 11687557383829. The next prime is 11687557383863. The reversal of 11687557383844 is 44838375578611.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11139514 + ... + 12143470.

Almost surely, 2^{11687557383844} is an apocalyptic number.

It is an amenable number.

11687557383844 is a deficient number, since it is larger than the sum of its proper divisors (9570522384732).

11687557383844 is a wasteful number, since it uses less digits than its factorization.

11687557383844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004636 (or 1004634 counting only the distinct ones).

The product of its digits is 541900800, while the sum is 70.

The spelling of 11687557383844 in words is "eleven trillion, six hundred eighty-seven billion, five hundred fifty-seven million, three hundred eighty-three thousand, eight hundred forty-four".