25456756318 has 24 divisors (see below), whose sum is σ = 46358232912. Its totient is φ = 10268269824.

The previous prime is 25456756289. The next prime is 25456756331. The reversal of 25456756318 is 81365765452.

25456756318 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3141871 + ... + 3149962.

It is an arithmetic number, because the mean of its divisors is an integer number (1931593038).

Almost surely, 2^25456756318 is an apocalyptic number.

25456756318 is a deficient number, since it is larger than the sum of its proper divisors (20901476594).

25456756318 is a wasteful number, since it uses less digits than its factorization.

25456756318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6291876 (or 6291859 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 52.

The spelling of 25456756318 in words is "twenty-five billion, four hundred fifty-six million, seven hundred fifty-six thousand, three hundred eighteen".