51706116017 has 2 divisors, whose sum is σ = 51706116018. Its totient is φ = 51706116016.

The previous prime is 51706116001. The next prime is 51706116031. The reversal of 51706116017 is 71061160715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29063089441 + 22643026576 = 170479^2 + 150476^2 .

It is a cyclic number.

It is not a de Polignac number, because 51706116017 - 2⁴ = 51706116001 is a prime.

It is not a weakly prime, because it can be changed into another prime (51706115017) by changing a digit.

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 as a sum of consecutive naturals, namely, 25853058008 + 25853058009.

It is an arithmetic number, because the mean of its divisors is an integer number (25853058009).

Almost surely, 2^51706116017 is an apocalyptic number.

It is an amenable number.

51706116017 is a deficient number, since it is larger than the sum of its proper divisors (1).

51706116017 is an equidigital number, since it uses as much as digits as its factorization.

51706116017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 35.

The spelling of 51706116017 in words is "fifty-one billion, seven hundred six million, one hundred sixteen thousand, seventeen".