68361228811 has 2 divisors, whose sum is σ = 68361228812. Its totient is φ = 68361228810.

The previous prime is 68361228713. The next prime is 68361228841. The reversal of 68361228811 is 11882216386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68361228811 - 2²⁵ = 68327674379 is a prime.

It is not a weakly prime, because it can be changed into another prime (68361228841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34180614405 + 34180614406.

It is an arithmetic number, because the mean of its divisors is an integer number (34180614406).

Almost surely, 2^68361228811 is an apocalyptic number.

68361228811 is a deficient number, since it is larger than the sum of its proper divisors (1).

68361228811 is an equidigital number, since it uses as much as digits as its factorization.

68361228811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 46.

The spelling of 68361228811 in words is "sixty-eight billion, three hundred sixty-one million, two hundred twenty-eight thousand, eight hundred eleven".