65560813725 has 48 divisors (see below), whose sum is σ = 118628550144. Its totient is φ = 31684728000.

The previous prime is 65560813687. The next prime is 65560813733. The reversal of 65560813725 is 52731806556.

It is not a de Polignac number, because 65560813725 - 2¹⁶ = 65560748189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128814 + ... + 384336.

It is an arithmetic number, because the mean of its divisors is an integer number (2471428128).

Almost surely, 2^65560813725 is an apocalyptic number.

It is an amenable number.

65560813725 is a deficient number, since it is larger than the sum of its proper divisors (53067736419).

65560813725 is a wasteful number, since it uses less digits than its factorization.

65560813725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255858 (or 255853 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 65560813725 in words is "sixty-five billion, five hundred sixty million, eight hundred thirteen thousand, seven hundred twenty-five".