18522036885 has 24 divisors (see below), whose sum is σ = 32574296160. Its totient is φ = 8980380640.

The previous prime is 18522036857. The next prime is 18522036887. The reversal of 18522036885 is 58863022581.

It is not a de Polignac number, because 18522036885 - 2⁸ = 18522036629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18522036887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5100675 + ... + 5104304.

It is an arithmetic number, because the mean of its divisors is an integer number (1357262340).

Almost surely, 2^18522036885 is an apocalyptic number.

18522036885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18522036885 is a deficient number, since it is larger than the sum of its proper divisors (14052259275).

18522036885 is a wasteful number, since it uses less digits than its factorization.

18522036885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10205009 (or 10204998 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 18522036885 in words is "eighteen billion, five hundred twenty-two million, thirty-six thousand, eight hundred eighty-five".