51425551084617 has 8 divisors (see below), whose sum is σ = 76186001606880. Its totient is φ = 34283700723060.

The previous prime is 51425551084601. The next prime is 51425551084619. The reversal of 51425551084617 is 71648015552415.

51425551084617 is a `hidden beast` number, since 5 + 1 + 4 + 2 + 5 + 5 + 5 + 10 + 8 + 4 + 617 = 666.

51425551084617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51425551084617 - 2⁴ = 51425551084601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51425551084619) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 952325020059 + ... + 952325020112.

It is an arithmetic number, because the mean of its divisors is an integer number (9523250200860).

Almost surely, 2^{51425551084617} is an apocalyptic number.

It is an amenable number.

51425551084617 is a deficient number, since it is larger than the sum of its proper divisors (24760450522263).

51425551084617 is a wasteful number, since it uses less digits than its factorization.

51425551084617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904650040180 (or 1904650040174 counting only the distinct ones).

The product of its (nonzero) digits is 6720000, while the sum is 54.

The spelling of 51425551084617 in words is "fifty-one trillion, four hundred twenty-five billion, five hundred fifty-one million, eighty-four thousand, six hundred seventeen".