320056660425515 has 8 divisors (see below), whose sum is σ = 413611684242288. Its totient is φ = 236349533852640.

The previous prime is 320056660425487. The next prime is 320056660425527. The reversal of 320056660425515 is 515524066650023.

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

It is not a de Polignac number, because 320056660425515 - 2⁴⁴ = 302464474381099 is a prime.

It is a super-3 number, since 3×320056660425515³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2461974310901 + ... + 2461974311030.

It is an arithmetic number, because the mean of its divisors is an integer number (51701460530286).

Almost surely, 2^{320056660425515} is an apocalyptic number.

320056660425515 is a deficient number, since it is larger than the sum of its proper divisors (93555023816773).

320056660425515 is a wasteful number, since it uses less digits than its factorization.

320056660425515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4923948621949.

The product of its (nonzero) digits is 6480000, while the sum is 50.

The spelling of 320056660425515 in words is "three hundred twenty trillion, fifty-six billion, six hundred sixty million, four hundred twenty-five thousand, five hundred fifteen".