680211456127751 has 2 divisors, whose sum is σ = 680211456127752. Its totient is φ = 680211456127750.

The previous prime is 680211456127669. The next prime is 680211456127813. The reversal of 680211456127751 is 157721654112086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 680211456127751 - 2¹⁸ = 680211455865607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (680211456127351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340105728063875 + 340105728063876.

It is an arithmetic number, because the mean of its divisors is an integer number (340105728063876).

Almost surely, 2^{680211456127751} is an apocalyptic number.

680211456127751 is a deficient number, since it is larger than the sum of its proper divisors (1).

680211456127751 is an equidigital number, since it uses as much as digits as its factorization.

680211456127751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5644800, while the sum is 56.

The spelling of 680211456127751 in words is "six hundred eighty trillion, two hundred eleven billion, four hundred fifty-six million, one hundred twenty-seven thousand, seven hundred fifty-one".