255321332341425 has 288 divisors, whose sum is σ = 565829747078400. Its totient is φ = 110557166146560.

The previous prime is 255321332341297. The next prime is 255321332341511. The reversal of 255321332341425 is 524143233123552.

255321332341425 is a `hidden beast` number, since 2 + 5 + 5 + 3 + 213 + 3 + 2 + 3 + 4 + 1 + 425 = 666.

It is not a de Polignac number, because 255321332341425 - 2⁷ = 255321332341297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 20108785677 + ... + 20108798373.

It is an arithmetic number, because the mean of its divisors is an integer number (1964686621800).

Almost surely, 2^{255321332341425} is an apocalyptic number.

255321332341425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255321332341425 is an abundant number, since it is smaller than the sum of its proper divisors (310508414736975).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255321332341425 is a wasteful number, since it uses less digits than its factorization.

255321332341425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24550 (or 24520 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 45.

Adding to 255321332341425 its reverse (524143233123552), we get a palindrome (779464565464977).

The spelling of 255321332341425 in words is "two hundred fifty-five trillion, three hundred twenty-one billion, three hundred thirty-two million, three hundred forty-one thousand, four hundred twenty-five".