51565505060616 has 16 divisors (see below), whose sum is σ = 128913762651600. Its totient is φ = 17188501686864.

The previous prime is 51565505060609. The next prime is 51565505060683. The reversal of 51565505060616 is 61606050556515.

51565505060616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1074281355406 + ... + 1074281355453.

It is an arithmetic number, because the mean of its divisors is an integer number (8057110165725).

Almost surely, 2^{51565505060616} is an apocalyptic number.

It is an amenable number.

51565505060616 is an abundant number, since it is smaller than the sum of its proper divisors (77348257590984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51565505060616 is a wasteful number, since it uses less digits than its factorization.

51565505060616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148562710868 (or 2148562710864 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 51.

The spelling of 51565505060616 in words is "fifty-one trillion, five hundred sixty-five billion, five hundred five million, sixty thousand, six hundred sixteen".