255155431325 has 6 divisors (see below), whose sum is σ = 316392734874. Its totient is φ = 204124345040.

The previous prime is 255155431319. The next prime is 255155431327. The reversal of 255155431325 is 523134551552.

It can be written as a sum of positive squares in 3 ways, for example, as 20498507929 + 234656923396 = 143173^2 + 484414^2 .

It is not a de Polignac number, because 255155431325 - 2¹² = 255155427229 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 (255155431327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5103108602 + ... + 5103108651.

It is an arithmetic number, because the mean of its divisors is an integer number (52732122479).

Almost surely, 2^255155431325 is an apocalyptic number.

255155431325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255155431325 is a deficient number, since it is larger than the sum of its proper divisors (61237303549).

255155431325 is a wasteful number, since it uses less digits than its factorization.

255155431325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10206217263 (or 10206217258 counting only the distinct ones).

The product of its digits is 450000, while the sum is 41.

Adding to 255155431325 its reverse (523134551552), we get a palindrome (778289982877).

The spelling of 255155431325 in words is "two hundred fifty-five billion, one hundred fifty-five million, four hundred thirty-one thousand, three hundred twenty-five".