5071660661701 has 2 divisors, whose sum is σ = 5071660661702. Its totient is φ = 5071660661700.

The previous prime is 5071660661677. The next prime is 5071660661707. The reversal of 5071660661701 is 1071660661705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3811373771076 + 1260286890625 = 1952274^2 + 1122625^2 .

It is a cyclic number.

It is not a de Polignac number, because 5071660661701 - 2³⁹ = 4521904847813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5071660661707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2535830330850 + 2535830330851.

It is an arithmetic number, because the mean of its divisors is an integer number (2535830330851).

Almost surely, 2^{5071660661701} is an apocalyptic number.

It is an amenable number.

5071660661701 is a deficient number, since it is larger than the sum of its proper divisors (1).

5071660661701 is an equidigital number, since it uses as much as digits as its factorization.

5071660661701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 5071660661701 in words is "five trillion, seventy-one billion, six hundred sixty million, six hundred sixty-one thousand, seven hundred one".