522155454052 has 12 divisors (see below), whose sum is σ = 914094610156. Its totient is φ = 260985565440.

The previous prime is 522155454049. The next prime is 522155454071. The reversal of 522155454052 is 250454551225.

It can be written as a sum of positive squares in 2 ways, for example, as 404056007716 + 118099446336 = 635654^2 + 343656^2 .

It is a junction number, because it is equal to n+sod(n) for n = 522155453996 and 522155454014.

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, 23027649 + ... + 23050312.

Almost surely, 2^522155454052 is an apocalyptic number.

It is an amenable number.

522155454052 is a deficient number, since it is larger than the sum of its proper divisors (391939156104).

522155454052 is a wasteful number, since it uses less digits than its factorization.

522155454052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46080798 (or 46080796 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 40.

The spelling of 522155454052 in words is "five hundred twenty-two billion, one hundred fifty-five million, four hundred fifty-four thousand, fifty-two".