25608320675 has 48 divisors (see below), whose sum is σ = 37488558912. Its totient is φ = 16985894400.

The previous prime is 25608320671. The next prime is 25608320729. The reversal of 25608320675 is 57602380652.

It is a Cunningham number, because it is equal to 160026²-1.

It is not a de Polignac number, because 25608320675 - 2² = 25608320671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25608320671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1108745 + ... + 1131605.

It is an arithmetic number, because the mean of its divisors is an integer number (781011644).

Almost surely, 2^25608320675 is an apocalyptic number.

25608320675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25608320675 is a deficient number, since it is larger than the sum of its proper divisors (11880238237).

25608320675 is a wasteful number, since it uses less digits than its factorization.

25608320675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23088 (or 23083 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 25608320675 in words is "twenty-five billion, six hundred eight million, three hundred twenty thousand, six hundred seventy-five".