Found with PFGW Version 3.7.5

1115^8606-8606^1115 is 2-PRP! (11.5434s+0.0011s)
1115^8606-8606^1115 is 3-PRP! (11.4540s+0.0011s)
1115^8606-8606^1115 is 5-PRP! (11.6467s+0.0012s)
1115^8606-8606^1115 is 7-PRP! (11.5052s+0.0011s)
1115^8606-8606^1115 is 11-PRP! (11.6072s+0.0016s)

Primality testing 1115^8606-8606^1115 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 7, base 1+sqrt(7)
Calling N+1 BLS with factored part 0.05% and helper 0.04% (0.19% proof)
1115^8606-8606^1115 is Fermat and Lucas PRP! (67.3701s+0.0020s)

To be completed...