71658545711023 has 2 divisors, whose sum is σ = 71658545711024. Its totient is φ = 71658545711022.

The previous prime is 71658545710963. The next prime is 71658545711069. The reversal of 71658545711023 is 32011754585617.

It is a strong prime.

It is an emirp because it is prime and its reverse (32011754585617) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71658545711023 - 2⁹ = 71658545710511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71658545711083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35829272855511 + 35829272855512.

It is an arithmetic number, because the mean of its divisors is an integer number (35829272855512).

Almost surely, 2^{71658545711023} is an apocalyptic number.

71658545711023 is a deficient number, since it is larger than the sum of its proper divisors (1).

71658545711023 is an equidigital number, since it uses as much as digits as its factorization.

71658545711023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056000, while the sum is 55.

The spelling of 71658545711023 in words is "seventy-one trillion, six hundred fifty-eight billion, five hundred forty-five million, seven hundred eleven thousand, twenty-three".