11111...11119 (1452-digits)

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

+ A near-repunit titanic prime consisting of one thousand, four hundred fifty-one 1's followed by a digit 9 found in the sequence of primes: 19, 11119, 111119, 11111119, 11111111111111119, 11111111111111111111111111111111111111111111111119, etc. [Bajpai]

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