255898608125 has 20 divisors (see below), whose sum is σ = 325804356108. Its totient is φ = 200856240000.

The previous prime is 255898608113. The next prime is 255898608131. The reversal of 255898608125 is 521806898552.

It can be written as a sum of positive squares in 10 ways, for example, as 200720128324 + 55178479801 = 448018^2 + 234901^2 .

It is not a de Polignac number, because 255898608125 - 2⁴ = 255898608109 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 19 ways as a sum of consecutive naturals, for example, 3829496 + ... + 3895745.

Almost surely, 2^255898608125 is an apocalyptic number.

255898608125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255898608125 is a deficient number, since it is larger than the sum of its proper divisors (69905747983).

255898608125 is an frugal number, since it uses more digits than its factorization.

255898608125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7725314 (or 7725299 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 59.

The spelling of 255898608125 in words is "two hundred fifty-five billion, eight hundred ninety-eight million, six hundred eight thousand, one hundred twenty-five".