255355432420525 has 6 divisors (see below), whose sum is σ = 316640736201482. Its totient is φ = 204284345936400.

The previous prime is 255355432420489. The next prime is 255355432420553. The reversal of 255355432420525 is 525024234553552.

It can be written as a sum of positive squares in 3 ways, for example, as 77600489464996 + 177754942955529 = 8809114^2 + 13332477^2 .

It is not a de Polignac number, because 255355432420525 - 2²⁹ = 255354895549613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5107108648386 + ... + 5107108648435.

Almost surely, 2^{255355432420525} is an apocalyptic number.

255355432420525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255355432420525 is a deficient number, since it is larger than the sum of its proper divisors (61285303780957).

255355432420525 is a wasteful number, since it uses less digits than its factorization.

255355432420525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10214217296831 (or 10214217296826 counting only the distinct ones).

The product of its (nonzero) digits is 36000000, while the sum is 52.

The spelling of 255355432420525 in words is "two hundred fifty-five trillion, three hundred fifty-five billion, four hundred thirty-two million, four hundred twenty thousand, five hundred twenty-five".