68102112061 has 2 divisors, whose sum is σ = 68102112062. Its totient is φ = 68102112060.

The previous prime is 68102112041. The next prime is 68102112101. The reversal of 68102112061 is 16021120186.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49733460100 + 18368651961 = 223010^2 + 135531^2 .

It is a cyclic number.

It is not a de Polignac number, because 68102112061 - 2⁷ = 68102111933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68102112031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34051056030 + 34051056031.

It is an arithmetic number, because the mean of its divisors is an integer number (34051056031).

Almost surely, 2^68102112061 is an apocalyptic number.

It is an amenable number.

68102112061 is a deficient number, since it is larger than the sum of its proper divisors (1).

68102112061 is an equidigital number, since it uses as much as digits as its factorization.

68102112061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 68102112061 in words is "sixty-eight billion, one hundred two million, one hundred twelve thousand, sixty-one".