513221224156 has 12 divisors (see below), whose sum is σ = 902839432320. Its totient is φ = 255267100640.

The previous prime is 513221224099. The next prime is 513221224199. The reversal of 513221224156 is 651422122315.

It is a happy number.

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, 335877001 + ... + 335878528.

It is an arithmetic number, because the mean of its divisors is an integer number (75236619360).

Almost surely, 2^513221224156 is an apocalyptic number.

It is an amenable number.

513221224156 is a deficient number, since it is larger than the sum of its proper divisors (389618208164).

513221224156 is a wasteful number, since it uses less digits than its factorization.

513221224156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671755724 (or 671755722 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The spelling of 513221224156 in words is "five hundred thirteen billion, two hundred twenty-one million, two hundred twenty-four thousand, one hundred fifty-six".