315612656646655 has 8 divisors (see below), whose sum is σ = 378735292785600. Its totient is φ = 252490055444256.

The previous prime is 315612656646641. The next prime is 315612656646757. The reversal of 315612656646655 is 556646656216513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315612656646655 - 2²¹ = 315612654549503 is a prime.

It is a super-2 number, since 2×315612656646655² (a number of 30 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 7 ways as a sum of consecutive naturals, for example, 19349466 + ... + 31711624.

It is an arithmetic number, because the mean of its divisors is an integer number (47341911598200).

Almost surely, 2^{315612656646655} is an apocalyptic number.

315612656646655 is a deficient number, since it is larger than the sum of its proper divisors (63122636138945).

315612656646655 is a wasteful number, since it uses less digits than its factorization.

315612656646655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17468273.

The product of its digits is 699840000, while the sum is 67.

The spelling of 315612656646655 in words is "three hundred fifteen trillion, six hundred twelve billion, six hundred fifty-six million, six hundred forty-six thousand, six hundred fifty-five".