99449...00103 (1155-digits)

This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).

A left-truncatable prime of order 3, i.e., by removing 3 digits at a time from the left end, you get a sequence of 385 primes. This is the largest known to date (27 May 2019). [Gupta]