25079319265 has 64 divisors (see below), whose sum is σ = 40530147840. Its totient is φ = 14387466240.

The previous prime is 25079319247. The next prime is 25079319281. The reversal of 25079319265 is 56291397052.

It is not a de Polignac number, because 25079319265 - 2¹¹ = 25079317217 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1679251 + ... + 1694119.

It is an arithmetic number, because the mean of its divisors is an integer number (633283560).

Almost surely, 2^25079319265 is an apocalyptic number.

It is an amenable number.

25079319265 is a deficient number, since it is larger than the sum of its proper divisors (15450828575).

25079319265 is a wasteful number, since it uses less digits than its factorization.

25079319265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15242.

The product of its (nonzero) digits is 1020600, while the sum is 49.

The spelling of 25079319265 in words is "twenty-five billion, seventy-nine million, three hundred nineteen thousand, two hundred sixty-five".