10911601

This number is a prime.

The smallest strobogrammatic prime whose second half is an invertible prime from the first half. [Punches]

The smallest strobogrammatic prime formed from the concatenation of two consecutive bemirps {1091, 1601}. [Bajpai]

The only prime concatenated from two 4-digit bemirps, i.e., 1091, 1601. [Loungrides]