80761966916711 has 2 divisors, whose sum is σ = 80761966916712. Its totient is φ = 80761966916710.

The previous prime is 80761966916693. The next prime is 80761966916731. The reversal of 80761966916711 is 11761966916708.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80761966916711 - 2⁴⁶ = 10393222739047 is a prime.

It is a super-2 number, since 2×80761966916711² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80761966916731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40380983458355 + 40380983458356.

It is an arithmetic number, because the mean of its divisors is an integer number (40380983458356).

Almost surely, 2^{80761966916711} is an apocalyptic number.

80761966916711 is a deficient number, since it is larger than the sum of its proper divisors (1).

80761966916711 is an equidigital number, since it uses as much as digits as its factorization.

80761966916711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41150592, while the sum is 68.

The spelling of 80761966916711 in words is "eighty trillion, seven hundred sixty-one billion, nine hundred sixty-six million, nine hundred sixteen thousand, seven hundred eleven".