This number is a composite.
The only seven-digit palindrome that is the product of consecutive primes (1051*1061). [Schuler]
The only brilliant number formed by inserting a 3-digit
palindromic prime, (i.e., 151), between two identical
double-digit palindromic primes p, (p=11), i.e., 1115111 =
1051 × 1061. [Loungrides]
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