25961579270 has 16 divisors (see below), whose sum is σ = 50979101328. Its totient is φ = 9440574240.

The previous prime is 25961579191. The next prime is 25961579279. The reversal of 25961579270 is 7297516952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25961579279) 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, 118007069 + ... + 118007288.

It is an arithmetic number, because the mean of its divisors is an integer number (3186193833).

Almost surely, 2^25961579270 is an apocalyptic number.

25961579270 is a deficient number, since it is larger than the sum of its proper divisors (25017522058).

25961579270 is a wasteful number, since it uses less digits than its factorization.

25961579270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236014375.

The product of its (nonzero) digits is 2381400, while the sum is 53.

The spelling of 25961579270 in words is "twenty-five billion, nine hundred sixty-one million, five hundred seventy-nine thousand, two hundred seventy".