255856102631 has 8 divisors (see below), whose sum is σ = 257362691520. Its totient is φ = 254353913568.

The previous prime is 255856102591. The next prime is 255856102669. The reversal of 255856102631 is 136201658552.

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 255856102631 - 2¹⁰ = 255856101607 is a prime.

It is a super-5 number, since 5×255856102631⁵ (a number of 58 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255856107631) 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, 983276 + ... + 1215953.

It is an arithmetic number, because the mean of its divisors is an integer number (32170336440).

Almost surely, 2^255856102631 is an apocalyptic number.

255856102631 is a deficient number, since it is larger than the sum of its proper divisors (1506588889).

255856102631 is a wasteful number, since it uses less digits than its factorization.

255856102631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199913.

The product of its (nonzero) digits is 432000, while the sum is 44.

It can be divided in two parts, 25585 and 6102631, that added together give a palindrome (6128216).

The spelling of 255856102631 in words is "two hundred fifty-five billion, eight hundred fifty-six million, one hundred two thousand, six hundred thirty-one".