25967246455 has 4 divisors (see below), whose sum is σ = 31160695752. Its totient is φ = 20773797160.

The previous prime is 25967246449. The next prime is 25967246489. The reversal of 25967246455 is 55464276952.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25967246455 - 2⁵ = 25967246423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25967246396 and 25967246405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2596724641 + ... + 2596724650.

It is an arithmetic number, because the mean of its divisors is an integer number (7790173938).

Almost surely, 2^25967246455 is an apocalyptic number.

25967246455 is a deficient number, since it is larger than the sum of its proper divisors (5193449297).

25967246455 is an equidigital number, since it uses as much as digits as its factorization.

25967246455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193449296.

The product of its digits is 18144000, while the sum is 55.

The spelling of 25967246455 in words is "twenty-five billion, nine hundred sixty-seven million, two hundred forty-six thousand, four hundred fifty-five".