506221315156 has 12 divisors (see below), whose sum is σ = 885904277440. Its totient is φ = 253105807320.

The previous prime is 506221315091. The next prime is 506221315183. The reversal of 506221315156 is 651513122605.

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, 972450 + ... + 1399321.

Almost surely, 2^506221315156 is an apocalyptic number.

It is an amenable number.

506221315156 is a deficient number, since it is larger than the sum of its proper divisors (379682962284).

506221315156 is a wasteful number, since it uses less digits than its factorization.

506221315156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425134 (or 2425132 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 506221315156 in words is "five hundred six billion, two hundred twenty-one million, three hundred fifteen thousand, one hundred fifty-six".