Perfect Square
11995920243842366209 is a perfect square (3463512703 × 3463512703)
11995920243842366209 is a perfect square (3463512703 × 3463512703)
10100110 01111010 00010001 11100111 10011000 00100100 00111011 00000001
11995920243842366209 is odd
Previous odd number is 11995920243842366207
Next odd number is 11995920243842366211