255961360303 has 6 divisors (see below), whose sum is σ = 281345958152. Its totient is φ = 232692145620.

The previous prime is 255961360271. The next prime is 255961360327. The reversal of 255961360303 is 303063169552.

It is not a de Polignac number, because 255961360303 - 2⁵ = 255961360271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255961360303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255961360003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1057691451 + ... + 1057691692.

Almost surely, 2^255961360303 is an apocalyptic number.

255961360303 is a deficient number, since it is larger than the sum of its proper divisors (25384597849).

255961360303 is a wasteful number, since it uses less digits than its factorization.

255961360303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115383165 (or 2115383154 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 43.

The spelling of 255961360303 in words is "two hundred fifty-five billion, nine hundred sixty-one million, three hundred sixty thousand, three hundred three".