68159714111 has 2 divisors, whose sum is σ = 68159714112. Its totient is φ = 68159714110.

The previous prime is 68159714071. The next prime is 68159714131. The reversal of 68159714111 is 11141795186.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68159714111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68159714131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34079857055 + 34079857056.

It is an arithmetic number, because the mean of its divisors is an integer number (34079857056).

Almost surely, 2^68159714111 is an apocalyptic number.

68159714111 is a deficient number, since it is larger than the sum of its proper divisors (1).

68159714111 is an equidigital number, since it uses as much as digits as its factorization.

68159714111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 44.

The spelling of 68159714111 in words is "sixty-eight billion, one hundred fifty-nine million, seven hundred fourteen thousand, one hundred eleven".