This number is a prime.
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The largest known gap 1476 between consecutive primes follows the prime 1425172824437699411. Jonathan Vos Post notes that 1149967344282715241 is also prime, so the record prime is an emirp! Reference: p.12 of "Some heuristic on the gaps between consecutive primes", Marek Wolf (submitted on 2 Feb 2011). [Post]