25255731079 has 8 divisors (see below), whose sum is σ = 25295778080. Its totient is φ = 25215718176.

The previous prime is 25255731037. The next prime is 25255731161. The reversal of 25255731079 is 97013755252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25255731079 - 2⁹ = 25255730567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25255731679) 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, 1748017 + ... + 1762405.

It is an arithmetic number, because the mean of its divisors is an integer number (3161972260).

Almost surely, 2^25255731079 is an apocalyptic number.

25255731079 is a deficient number, since it is larger than the sum of its proper divisors (40047001).

25255731079 is a wasteful number, since it uses less digits than its factorization.

25255731079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17049.

The product of its (nonzero) digits is 661500, while the sum is 46.

The spelling of 25255731079 in words is "twenty-five billion, two hundred fifty-five million, seven hundred thirty-one thousand, seventy-nine".