255947716271 has 16 divisors (see below), whose sum is σ = 287641127424. Its totient is φ = 225970820064.

The previous prime is 255947716259. The next prime is 255947716273. The reversal of 255947716271 is 172617749552.

It is a cyclic number.

It is not a de Polignac number, because 255947716271 - 2¹⁸ = 255947454127 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 (255947716273) 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, 6080720 + ... + 6122666.

It is an arithmetic number, because the mean of its divisors is an integer number (17977570464).

Almost surely, 2^255947716271 is an apocalyptic number.

255947716271 is a deficient number, since it is larger than the sum of its proper divisors (31693411153).

255947716271 is a wasteful number, since it uses less digits than its factorization.

255947716271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62390.

The product of its digits is 7408800, while the sum is 56.

The spelling of 255947716271 in words is "two hundred fifty-five billion, nine hundred forty-seven million, seven hundred sixteen thousand, two hundred seventy-one".