25668001312 has 48 divisors (see below), whose sum is σ = 50876646912. Its totient is φ = 12747248640.

The previous prime is 25668001279. The next prime is 25668001313. The reversal of 25668001312 is 21310086652.

It is not an unprimeable number, because it can be changed into a prime (25668001313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2918073 + ... + 2926855.

It is an arithmetic number, because the mean of its divisors is an integer number (1059930144).

Almost surely, 2^25668001312 is an apocalyptic number.

It is an amenable number.

25668001312 is a deficient number, since it is larger than the sum of its proper divisors (25208645600).

25668001312 is a wasteful number, since it uses less digits than its factorization.

25668001312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9401 (or 9393 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 25668001312 its reverse (21310086652), we get a palindrome (46978087964).

The spelling of 25668001312 in words is "twenty-five billion, six hundred sixty-eight million, one thousand, three hundred twelve".