25360032065 has 16 divisors (see below), whose sum is σ = 30849735168. Its totient is φ = 20010372096.

The previous prime is 25360032037. The next prime is 25360032073. The reversal of 25360032065 is 56023006352.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25360032065 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 201569 + ... + 302241.

It is an arithmetic number, because the mean of its divisors is an integer number (1928108448).

Almost surely, 2^25360032065 is an apocalyptic number.

It is an amenable number.

25360032065 is a deficient number, since it is larger than the sum of its proper divisors (5489703103).

25360032065 is a wasteful number, since it uses less digits than its factorization.

25360032065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101368.

The product of its (nonzero) digits is 32400, while the sum is 32.

The spelling of 25360032065 in words is "twenty-five billion, three hundred sixty million, thirty-two thousand, sixty-five".