11018881818881011

This number is a prime.

                                                          1101888 1818881011

Just showing those entries submitted by 'Andersen': (Click here to show all)

The largest known palindromic Honaker prime (as of August 31, 2009). Note that 11018881818881011 is the 306857323404298th prime. It is also a dihedral prime. [Andersen]