255116275477 has 16 divisors (see below), whose sum is σ = 298377684352. Its totient is φ = 213560141760.

The previous prime is 255116275441. The next prime is 255116275481. The reversal of 255116275477 is 774572611552.

It is a de Polignac number, because none of the positive numbers 2^k-255116275477 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 (255116275487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2717323 + ... + 2809639.

It is an arithmetic number, because the mean of its divisors is an integer number (18648605272).

Almost surely, 2^255116275477 is an apocalyptic number.

It is an amenable number.

255116275477 is a deficient number, since it is larger than the sum of its proper divisors (43261408875).

255116275477 is an equidigital number, since it uses as much as digits as its factorization.

255116275477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101548.

The product of its digits is 4116000, while the sum is 52.

The spelling of 255116275477 in words is "two hundred fifty-five billion, one hundred sixteen million, two hundred seventy-five thousand, four hundred seventy-seven".