25255296890879 has 16 divisors (see below), whose sum is σ = 27820385249280. Its totient is φ = 22735093923360.

The previous prime is 25255296890809. The next prime is 25255296890897. The reversal of 25255296890879 is 97809869255252.

It is a cyclic number.

It is not a de Polignac number, because 25255296890879 - 2³⁶ = 25186577414143 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 (25255296890809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18519857 + ... + 19836725.

It is an arithmetic number, because the mean of its divisors is an integer number (1738774078080).

Almost surely, 2^{25255296890879} is an apocalyptic number.

25255296890879 is a deficient number, since it is larger than the sum of its proper divisors (2565088358401).

25255296890879 is a wasteful number, since it uses less digits than its factorization.

25255296890879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333910.

The product of its (nonzero) digits is 1959552000, while the sum is 77.

The spelling of 25255296890879 in words is "twenty-five trillion, two hundred fifty-five billion, two hundred ninety-six million, eight hundred ninety thousand, eight hundred seventy-nine".