522452553218 has 18 divisors (see below), whose sum is σ = 789572100681. Its totient is φ = 259276418664.

The previous prime is 522452553197. The next prime is 522452553247. The reversal of 522452553218 is 812355254225.

It can be written as a sum of positive squares in 2 ways, for example, as 470929455049 + 51523098169 = 686243^2 + 226987^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=511103.

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 142084796 + ... + 142088472.

Almost surely, 2^522452553218 is an apocalyptic number.

522452553218 is a deficient number, since it is larger than the sum of its proper divisors (267119547463).

522452553218 is an frugal number, since it uses more digits than its factorization.

522452553218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7634 (or 3818 counting only the distinct ones).

The product of its digits is 960000, while the sum is 44.

The spelling of 522452553218 in words is "five hundred twenty-two billion, four hundred fifty-two million, five hundred fifty-three thousand, two hundred eighteen".