255544564607615 has 8 divisors (see below), whose sum is σ = 306667910446080. Its totient is φ = 204426029741472.

The previous prime is 255544564607609. The next prime is 255544564607701. The reversal of 255544564607615 is 516706465445552.

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 255544564607615 - 2²⁰ = 255544563559039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1202626220 + ... + 1202838689.

It is an arithmetic number, because the mean of its divisors is an integer number (38333488805760).

Almost surely, 2^{255544564607615} is an apocalyptic number.

255544564607615 is a deficient number, since it is larger than the sum of its proper divisors (51123345838465).

255544564607615 is a wasteful number, since it uses less digits than its factorization.

255544564607615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405486161.

The product of its (nonzero) digits is 604800000, while the sum is 65.

The spelling of 255544564607615 in words is "two hundred fifty-five trillion, five hundred forty-four billion, five hundred sixty-four million, six hundred seven thousand, six hundred fifteen".