25259028908 has 12 divisors (see below), whose sum is σ = 44326432080. Its totient is φ = 12594334032.

The previous prime is 25259028803. The next prime is 25259028917. The reversal of 25259028908 is 80982095252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8793491 + ... + 8796362.

It is an arithmetic number, because the mean of its divisors is an integer number (3693869340).

Almost surely, 2^25259028908 is an apocalyptic number.

It is an amenable number.

25259028908 is a deficient number, since it is larger than the sum of its proper divisors (19067403172).

25259028908 is a wasteful number, since it uses less digits than its factorization.

25259028908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17590216 (or 17590214 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 50.

The spelling of 25259028908 in words is "twenty-five billion, two hundred fifty-nine million, twenty-eight thousand, nine hundred eight".