25915383064 has 16 divisors (see below), whose sum is σ = 48598111800. Its totient is φ = 12955886592.

The previous prime is 25915383029. The next prime is 25915383097. The reversal of 25915383064 is 46038351952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163594 + ... + 280345.

Almost surely, 2^25915383064 is an apocalyptic number.

It is an amenable number.

25915383064 is a deficient number, since it is larger than the sum of its proper divisors (22682728736).

25915383064 is a wasteful number, since it uses less digits than its factorization.

25915383064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451242 (or 451238 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 25915383064 in words is "twenty-five billion, nine hundred fifteen million, three hundred eighty-three thousand, sixty-four".