255079710291 has 64 divisors (see below), whose sum is σ = 406124928000. Its totient is φ = 139328716800.

The previous prime is 255079710257. The next prime is 255079710307. The reversal of 255079710291 is 192017970552.

It is a happy number.

It is not a de Polignac number, because 255079710291 - 2¹⁰ = 255079709267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255079710291.

It is not an unprimeable number, because it can be changed into a prime (255079710091) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35817211 + ... + 35824331.

It is an arithmetic number, because the mean of its divisors is an integer number (6345702000).

Almost surely, 2^255079710291 is an apocalyptic number.

255079710291 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

255079710291 is a deficient number, since it is larger than the sum of its proper divisors (151045217709).

255079710291 is a wasteful number, since it uses less digits than its factorization.

255079710291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7740.

The product of its (nonzero) digits is 396900, while the sum is 48.

The spelling of 255079710291 in words is "two hundred fifty-five billion, seventy-nine million, seven hundred ten thousand, two hundred ninety-one".