522318080853772 has 12 divisors (see below), whose sum is σ = 1044636161707600. Its totient is φ = 223850606080176.

The previous prime is 522318080853763. The next prime is 522318080853809. The reversal of 522318080853772 is 277358080813225.

522318080853772 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 522318080853772.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9327108586647 + ... + 9327108586702.

Almost surely, 2^{522318080853772} is an apocalyptic number.

It is an amenable number.

522318080853772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

522318080853772 is a wasteful number, since it uses less digits than its factorization.

522318080853772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18654217173360 (or 18654217173358 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 61.

The spelling of 522318080853772 in words is "five hundred twenty-two trillion, three hundred eighteen billion, eighty million, eight hundred fifty-three thousand, seven hundred seventy-two".