255944712885 has 32 divisors (see below), whose sum is σ = 428893360128. Its totient is φ = 130087045440.

The previous prime is 255944712869. The next prime is 255944712887. The reversal of 255944712885 is 588217449552.

It is not a de Polignac number, because 255944712885 - 2⁴ = 255944712869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255944712887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1275267 + ... + 1462256.

It is an arithmetic number, because the mean of its divisors is an integer number (13402917504).

Almost surely, 2^255944712885 is an apocalyptic number.

It is an amenable number.

255944712885 is a deficient number, since it is larger than the sum of its proper divisors (172948647243).

255944712885 is a wasteful number, since it uses less digits than its factorization.

255944712885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737825.

The product of its digits is 32256000, while the sum is 60.

The spelling of 255944712885 in words is "two hundred fifty-five billion, nine hundred forty-four million, seven hundred twelve thousand, eight hundred eighty-five".