255136273317 has 6 divisors (see below), whose sum is σ = 368530172582. Its totient is φ = 170090848872.

The previous prime is 255136273303. The next prime is 255136273319. The reversal of 255136273317 is 713372631552.

255136273317 is a `hidden beast` number, since 2 + 5 + 5 + 1 + 3 + 627 + 3 + 3 + 17 = 666.

It can be written as a sum of positive squares in only one way, i.e., 160768119681 + 94368153636 = 400959^2 + 307194^2 .

It is not a de Polignac number, because 255136273317 - 2¹⁴ = 255136256933 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 (255136273319) 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, 14174237398 + ... + 14174237415.

Almost surely, 2^255136273317 is an apocalyptic number.

It is an amenable number.

255136273317 is a deficient number, since it is larger than the sum of its proper divisors (113393899265).

255136273317 is a wasteful number, since it uses less digits than its factorization.

255136273317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28348474819 (or 28348474816 counting only the distinct ones).

The product of its digits is 793800, while the sum is 45.

The spelling of 255136273317 in words is "two hundred fifty-five billion, one hundred thirty-six million, two hundred seventy-three thousand, three hundred seventeen".