25965096845 has 16 divisors (see below), whose sum is σ = 32102611632. Its totient is φ = 20148272640.

The previous prime is 25965096803. The next prime is 25965096877. The reversal of 25965096845 is 54869056952.

It can be written as a sum of positive squares in 8 ways, for example, as 1599760009 + 24365336836 = 39997^2 + 156094^2 .

It is not a de Polignac number, because 25965096845 - 2¹⁴ = 25965080461 is a prime.

It is a super-3 number, since 3×25965096845³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330602 + ... + 401531.

It is an arithmetic number, because the mean of its divisors is an integer number (2006413227).

Almost surely, 2^25965096845 is an apocalyptic number.

It is an amenable number.

25965096845 is a deficient number, since it is larger than the sum of its proper divisors (6137514787).

25965096845 is a wasteful number, since it uses less digits than its factorization.

25965096845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732352.

The product of its (nonzero) digits is 23328000, while the sum is 59.

The spelling of 25965096845 in words is "twenty-five billion, nine hundred sixty-five million, ninety-six thousand, eight hundred forty-five".