68061101611 has 2 divisors, whose sum is σ = 68061101612. Its totient is φ = 68061101610.

The previous prime is 68061101609. The next prime is 68061101653. The reversal of 68061101611 is 11610116086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68061101611 - 2¹ = 68061101609 is a prime.

Together with 68061101609, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (68061101011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34030550805 + 34030550806.

It is an arithmetic number, because the mean of its divisors is an integer number (34030550806).

Almost surely, 2^68061101611 is an apocalyptic number.

68061101611 is a deficient number, since it is larger than the sum of its proper divisors (1).

68061101611 is an equidigital number, since it uses as much as digits as its factorization.

68061101611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 31.

Adding to 68061101611 its reverse (11610116086), we get a palindrome (79671217697).

The spelling of 68061101611 in words is "sixty-eight billion, sixty-one million, one hundred one thousand, six hundred eleven".