18502205053852 has 48 divisors (see below), whose sum is σ = 36215029509120. Its totient is φ = 8216130716352.

The previous prime is 18502205053811. The next prime is 18502205053859. The reversal of 18502205053852 is 25835050220581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18502205053859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64012248 + ... + 64300639.

It is an arithmetic number, because the mean of its divisors is an integer number (754479781440).

Almost surely, 2^{18502205053852} is an apocalyptic number.

It is an amenable number.

18502205053852 is a deficient number, since it is larger than the sum of its proper divisors (17712824455268).

18502205053852 is a wasteful number, since it uses less digits than its factorization.

18502205053852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128313010 (or 128313008 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 46.

The spelling of 18502205053852 in words is "eighteen trillion, five hundred two billion, two hundred five million, fifty-three thousand, eight hundred fifty-two".