Both of the following would get you the max int: 
use constant MAX_INT => unpack('J', pack('j', -1));
use constant MAX_INT => 0+sprintf('%u', -1);

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Or with less obfuscation ... 
use constant MAXINT => ~0;

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In reply to Re^2: Infinity and Inf? by DrHyde
in thread Infinity and Inf? by LanX

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