13106811718057 has 2 divisors, whose sum is σ = 13106811718058. Its totient is φ = 13106811718056.

The previous prime is 13106811718043. The next prime is 13106811718111. The reversal of 13106811718057 is 75081711860131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8584026882201 + 4522784835856 = 2929851^2 + 2126684^2 .

It is a cyclic number.

It is not a de Polignac number, because 13106811718057 - 2¹⁹ = 13106811193769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13106811718057.

It is not a weakly prime, because it can be changed into another prime (13106811718037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6553405859028 + 6553405859029.

It is an arithmetic number, because the mean of its divisors is an integer number (6553405859029).

Almost surely, 2^{13106811718057} is an apocalyptic number.

It is an amenable number.

13106811718057 is a deficient number, since it is larger than the sum of its proper divisors (1).

13106811718057 is an equidigital number, since it uses as much as digits as its factorization.

13106811718057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 49.

The spelling of 13106811718057 in words is "thirteen trillion, one hundred six billion, eight hundred eleven million, seven hundred eighteen thousand, fifty-seven".