25507608606 has 12 divisors (see below), whose sum is σ = 55266485352. Its totient is φ = 8502536196.

The previous prime is 25507608587. The next prime is 25507608613. The reversal of 25507608606 is 60680670552.

25507608606 is a `hidden beast` number, since 2 + 5 + 507 + 60 + 86 + 0 + 6 = 666.

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 5 ways as a sum of consecutive naturals, for example, 708544666 + ... + 708544701.

It is an arithmetic number, because the mean of its divisors is an integer number (4605540446).

Almost surely, 2^25507608606 is an apocalyptic number.

25507608606 is an abundant number, since it is smaller than the sum of its proper divisors (29758876746).

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

25507608606 is a wasteful number, since it uses less digits than its factorization.

25507608606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417089375 (or 1417089372 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 25507608606 in words is "twenty-five billion, five hundred seven million, six hundred eight thousand, six hundred six".