25280025255 has 48 divisors (see below), whose sum is σ = 46186140000. Its totient is φ = 12756123648.

The previous prime is 25280025157. The next prime is 25280025269. The reversal of 25280025255 is 55252008252.

25280025255 is a `hidden beast` number, since 2 + 52 + 80 + 0 + 2 + 525 + 5 = 666.

It is not a de Polignac number, because 25280025255 - 2¹² = 25280021159 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 638271 + ... + 676719.

It is an arithmetic number, because the mean of its divisors is an integer number (962211250).

Almost surely, 2^25280025255 is an apocalyptic number.

25280025255 is a deficient number, since it is larger than the sum of its proper divisors (20906114745).

25280025255 is a wasteful number, since it uses less digits than its factorization.

25280025255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39248 (or 39245 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 25280025255 in words is "twenty-five billion, two hundred eighty million, twenty-five thousand, two hundred fifty-five".