315656322044556 has 96 divisors (see below), whose sum is σ = 777767692038400. Its totient is φ = 99363284444160.

The previous prime is 315656322044551. The next prime is 315656322044711. The reversal of 315656322044556 is 655440223656513.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 315656322044496 and 315656322044505.

It is not an unprimeable number, because it can be changed into a prime (315656322044551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 457972800 + ... + 458661528.

Almost surely, 2^{315656322044556} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315656322044556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388883846019200).

315656322044556 is an abundant number, since it is smaller than the sum of its proper divisors (462111369993844).

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

315656322044556 is a wasteful number, since it uses less digits than its factorization.

315656322044556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695159 (or 695157 counting only the distinct ones).

The product of its (nonzero) digits is 77760000, while the sum is 57.

The spelling of 315656322044556 in words is "three hundred fifteen trillion, six hundred fifty-six billion, three hundred twenty-two million, forty-four thousand, five hundred fifty-six".