522451811712 has 32 divisors (see below), whose sum is σ = 1387762625880. Its totient is φ = 174150603776.

The previous prime is 522451811699. The next prime is 522451811741. The reversal of 522451811712 is 217118154225.

522451811712 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×522451811712² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 680275413 + ... + 680276180.

Almost surely, 2^522451811712 is an apocalyptic number.

It is an amenable number.

522451811712 is an abundant number, since it is smaller than the sum of its proper divisors (865310814168).

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

522451811712 is a wasteful number, since it uses less digits than its factorization.

522451811712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360551610 (or 1360551598 counting only the distinct ones).

The product of its digits is 44800, while the sum is 39.

Adding to 522451811712 its reverse (217118154225), we get a palindrome (739569965937).

The spelling of 522451811712 in words is "five hundred twenty-two billion, four hundred fifty-one million, eight hundred eleven thousand, seven hundred twelve".