Using PFGW 3.8.0 this number is found to be Fermat and Lucas PRP in bases 2 and 2+sqrt(11).

p=-2*3*5*11*41*53*131*293*521*3797*9491*Bern(37960)/(13*73*14533*19662889*126321842173781)

Bern(37960) is a Bernoulli number with denominator 516776642557847117490.

The decimal expansion of p can be obtained using Pari/GP:
-516776642557847117490*bernfrac(37960)/34256837217082767928421792453

To be completed...