18805518401036 has 24 divisors (see below), whose sum is σ = 33617811568320. Its totient is φ = 9200524011392.

The previous prime is 18805518400979. The next prime is 18805518401053. The reversal of 18805518401036 is 63010481550881.

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 7 ways as a sum of consecutive naturals, for example, 11031545 + ... + 12621648.

It is an arithmetic number, because the mean of its divisors is an integer number (1400742148680).

Almost surely, 2^{18805518401036} is an apocalyptic number.

It is an amenable number.

18805518401036 is a deficient number, since it is larger than the sum of its proper divisors (14812293167284).

18805518401036 is a wasteful number, since it uses less digits than its factorization.

18805518401036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23657473 (or 23657471 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 50.

The spelling of 18805518401036 in words is "eighteen trillion, eight hundred five billion, five hundred eighteen million, four hundred one thousand, thirty-six".