255655615223 has 8 divisors (see below), whose sum is σ = 259494109056. Its totient is φ = 251823724600.

The previous prime is 255655615147. The next prime is 255655615231. The reversal of 255655615223 is 322516556552.

It is a happy number.

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 255655615223 - 2²⁰ = 255654566647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255655615123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1572761 + ... + 1727682.

It is an arithmetic number, because the mean of its divisors is an integer number (32436763632).

Almost surely, 2^255655615223 is an apocalyptic number.

255655615223 is a deficient number, since it is larger than the sum of its proper divisors (3838493833).

255655615223 is a wasteful number, since it uses less digits than its factorization.

255655615223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3301605.

The product of its digits is 2700000, while the sum is 47.

The spelling of 255655615223 in words is "two hundred fifty-five billion, six hundred fifty-five million, six hundred fifteen thousand, two hundred twenty-three".