25066560385 has 16 divisors (see below), whose sum is σ = 31048128000. Its totient is φ = 19413193536.

The previous prime is 25066560383. The next prime is 25066560397. The reversal of 25066560385 is 58306566052.

It is a cyclic number.

It is not a de Polignac number, because 25066560385 - 2¹ = 25066560383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25066560383) by changing a digit.

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, 303625 + ... + 377254.

It is an arithmetic number, because the mean of its divisors is an integer number (1940508000).

Almost surely, 2^25066560385 is an apocalyptic number.

It is an amenable number.

25066560385 is a deficient number, since it is larger than the sum of its proper divisors (5981567615).

25066560385 is a wasteful number, since it uses less digits than its factorization.

25066560385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681120.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 25066560385 in words is "twenty-five billion, sixty-six million, five hundred sixty thousand, three hundred eighty-five".