255231311425 has 12 divisors (see below), whose sum is σ = 316553060860. Its totient is φ = 204142317120.

The previous prime is 255231311389. The next prime is 255231311431. The reversal of 255231311425 is 524113132552.

It can be written as a sum of positive squares in 6 ways, for example, as 75224581441 + 180006729984 = 274271^2 + 424272^2 .

It is not a de Polignac number, because 255231311425 - 2²⁷ = 255097093697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 946182 + ... + 1185631.

Almost surely, 2^255231311425 is an apocalyptic number.

255231311425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255231311425 is a deficient number, since it is larger than the sum of its proper divisors (61321749435).

255231311425 is a wasteful number, since it uses less digits than its factorization.

255231311425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136612 (or 2136607 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

Adding to 255231311425 its reverse (524113132552), we get a palindrome (779344443977).

The spelling of 255231311425 in words is "two hundred fifty-five billion, two hundred thirty-one million, three hundred eleven thousand, four hundred twenty-five".