51516313005 has 32 divisors (see below), whose sum is σ = 87623418240. Its totient is φ = 25771564800.

The previous prime is 51516312997. The next prime is 51516313007. The reversal of 51516313005 is 50031361515.

It is not a de Polignac number, because 51516313005 - 2³ = 51516312997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51516313007) 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 31 ways as a sum of consecutive naturals, for example, 866062 + ... + 923631.

It is an arithmetic number, because the mean of its divisors is an integer number (2738231820).

Almost surely, 2^51516313005 is an apocalyptic number.

It is an amenable number.

51516313005 is a deficient number, since it is larger than the sum of its proper divisors (36107105235).

51516313005 is a wasteful number, since it uses less digits than its factorization.

51516313005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789821.

The product of its (nonzero) digits is 6750, while the sum is 30.

The spelling of 51516313005 in words is "fifty-one billion, five hundred sixteen million, three hundred thirteen thousand, five".