522152067872 has 18 divisors (see below), whose sum is σ = 1027994931243. Its totient is φ = 261073990112.

The previous prime is 522152067859. The next prime is 522152067923. The reversal of 522152067872 is 278760251225.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 261076033936 + 261076033936 = 510956^2 + 510956^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=510956.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4023779 + ... + 4151517.

Almost surely, 2^522152067872 is an apocalyptic number.

It is an amenable number.

522152067872 is a deficient number, since it is larger than the sum of its proper divisors (505842863371).

522152067872 is an frugal number, since it uses more digits than its factorization.

522152067872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255488 (or 127741 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 522152067872 in words is "five hundred twenty-two billion, one hundred fifty-two million, sixty-seven thousand, eight hundred seventy-two".