68353111134361 has 2 divisors, whose sum is σ = 68353111134362. Its totient is φ = 68353111134360.

The previous prime is 68353111134331. The next prime is 68353111134379. The reversal of 68353111134361 is 16343111135386.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49856746586761 + 18496364547600 = 7060931^2 + 4300740^2 .

It is a cyclic number.

It is not a de Polignac number, because 68353111134361 - 2⁷ = 68353111134233 is a prime.

It is not a weakly prime, because it can be changed into another prime (68353111134331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34176555567180 + 34176555567181.

It is an arithmetic number, because the mean of its divisors is an integer number (34176555567181).

Almost surely, 2^{68353111134361} is an apocalyptic number.

It is an amenable number.

68353111134361 is a deficient number, since it is larger than the sum of its proper divisors (1).

68353111134361 is an equidigital number, since it uses as much as digits as its factorization.

68353111134361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 46.

The spelling of 68353111134361 in words is "sixty-eight trillion, three hundred fifty-three billion, one hundred eleven million, one hundred thirty-four thousand, three hundred sixty-one".