288,230,376,151,711,745

Number
$288 \, 230 \, 376 \, 151 \, 711 \, 745$ is:


 * $5 \times 107 \, 367 \, 629 \times 536 \, 903 \, 681$


 * $2^{58} + 1$

Also see

 * Prime Decomposition of $2^{58} + 1$