This number is a prime.
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Jacobi and Madden proved that there are infinitely many solutions for the equation a4 + b4 + c4 + d4 = (a+b+c+d)4. In July 2009, Seiji Tomita found the following solution by using their method: 10581030818104 + 5359458113344 + (-1140105961325)4 + 9440806526404 = 13980235844594. [Capelle]