18371700503852 has 12 divisors (see below), whose sum is σ = 33548322659376. Its totient is φ = 8786465458320.

The previous prime is 18371700503801. The next prime is 18371700503867. The reversal of 18371700503852 is 25830500717381.

It is a self number, because there is not a number n which added to its sum of digits gives 18371700503852.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99846198299 + ... + 99846198482.

It is an arithmetic number, because the mean of its divisors is an integer number (2795693554948).

Almost surely, 2^{18371700503852} is an apocalyptic number.

It is an amenable number.

18371700503852 is a deficient number, since it is larger than the sum of its proper divisors (15176622155524).

18371700503852 is a wasteful number, since it uses less digits than its factorization.

18371700503852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199692396808 (or 199692396806 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 18371700503852 in words is "eighteen trillion, three hundred seventy-one billion, seven hundred million, five hundred three thousand, eight hundred fifty-two".