what is the largest long you can have in c++ code example

Example 1: maximum int c++

#include <limits>

int imin = std::numeric_limits<int>::min(); // minimum value
int imax = std::numeric_limits<int>::max(); // maximum value (2147483647)

Example 2: int max in c++

2147483647
  unsigned long long int = 18 446 744 073 709 551 615