18852050538520 has 64 divisors (see below), whose sum is σ = 44261954953920. Its totient is φ = 7212857608704.

The previous prime is 18852050538499. The next prime is 18852050538533. The reversal of 18852050538520 is 2583505025881.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126404314 + ... + 126553366.

It is an arithmetic number, because the mean of its divisors is an integer number (691593046155).

Almost surely, 2^{18852050538520} is an apocalyptic number.

18852050538520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18852050538520 is an abundant number, since it is smaller than the sum of its proper divisors (25409904415400).

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

18852050538520 is a wasteful number, since it uses less digits than its factorization.

18852050538520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286564 (or 286560 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 52.

The spelling of 18852050538520 in words is "eighteen trillion, eight hundred fifty-two billion, fifty million, five hundred thirty-eight thousand, five hundred twenty".