25916380312 has 16 divisors (see below), whose sum is σ = 50705961840. Its totient is φ = 12394790496.

The previous prime is 25916380267. The next prime is 25916380319. The reversal of 25916380312 is 21308361952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25916380319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70424763 + ... + 70425130.

It is an arithmetic number, because the mean of its divisors is an integer number (3169122615).

Almost surely, 2^25916380312 is an apocalyptic number.

It is an amenable number.

25916380312 is a deficient number, since it is larger than the sum of its proper divisors (24789581528).

25916380312 is a wasteful number, since it uses less digits than its factorization.

25916380312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140849922 (or 140849918 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 25916380312 in words is "twenty-five billion, nine hundred sixteen million, three hundred eighty thousand, three hundred twelve".