71010111109997 has 2 divisors, whose sum is σ = 71010111109998. Its totient is φ = 71010111109996.

The previous prime is 71010111109979. The next prime is 71010111110161. The reversal of 71010111109997 is 79990111101017.

Together with previous prime (71010111109979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58724343038761 + 12285768071236 = 7663181^2 + 3505106^2 .

It is a cyclic number.

It is not a de Polignac number, because 71010111109997 - 2³⁰ = 71009037368173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71010111109907) 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 as a sum of consecutive naturals, namely, 35505055554998 + 35505055554999.

It is an arithmetic number, because the mean of its divisors is an integer number (35505055554999).

Almost surely, 2^{71010111109997} is an apocalyptic number.

It is an amenable number.

71010111109997 is a deficient number, since it is larger than the sum of its proper divisors (1).

71010111109997 is an equidigital number, since it uses as much as digits as its factorization.

71010111109997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35721, while the sum is 47.

The spelling of 71010111109997 in words is "seventy-one trillion, ten billion, one hundred eleven million, one hundred nine thousand, nine hundred ninety-seven".