BIg Rubik's Cube

Discrete Mathematics Level 2

There are 8 cubes in a \( 2^{3} \) Rubik's Cube or Pocket Cube and there are 26 cubes in a \( 3^{3} \) Rubik's Cube. K is the number of cubes in a \( 2511^{3} \) Rubik's Cube. What are the last 3 digits of K?