71016115717 has 2 divisors, whose sum is σ = 71016115718. Its totient is φ = 71016115716.

The previous prime is 71016115693. The next prime is 71016115721. The reversal of 71016115717 is 71751161017.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46850169601 + 24165946116 = 216449^2 + 155454^2 .

It is a cyclic number.

It is not a de Polignac number, because 71016115717 - 2⁷ = 71016115589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71016115747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35508057858 + 35508057859.

It is an arithmetic number, because the mean of its divisors is an integer number (35508057859).

Almost surely, 2^71016115717 is an apocalyptic number.

It is an amenable number.

71016115717 is a deficient number, since it is larger than the sum of its proper divisors (1).

71016115717 is an equidigital number, since it uses as much as digits as its factorization.

71016115717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10290, while the sum is 37.

The spelling of 71016115717 in words is "seventy-one billion, sixteen million, one hundred fifteen thousand, seven hundred seventeen".