255610131097 has 2 divisors, whose sum is σ = 255610131098. Its totient is φ = 255610131096.

The previous prime is 255610131031. The next prime is 255610131109. The reversal of 255610131097 is 790131016552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247833713241 + 7776417856 = 497829^2 + 88184^2 .

It is a cyclic number.

It is not a de Polignac number, because 255610131097 - 2¹⁹ = 255609606809 is a prime.

It is not a weakly prime, because it can be changed into another prime (255610135097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127805065548 + 127805065549.

It is an arithmetic number, because the mean of its divisors is an integer number (127805065549).

Almost surely, 2^255610131097 is an apocalyptic number.

It is an amenable number.

255610131097 is a deficient number, since it is larger than the sum of its proper divisors (1).

255610131097 is an equidigital number, since it uses as much as digits as its factorization.

255610131097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 40.

The spelling of 255610131097 in words is "two hundred fifty-five billion, six hundred ten million, one hundred thirty-one thousand, ninety-seven".