Solution: The smallest 4-digit number divisible by 11 is $ 1001 $ (since $ 1001 \div 11 = 91 $), and the largest is $ 9999 $ (since $ 9999 \div 11 = 909 $). The count is $ 909 - 91 + 1 = 819 $.

Sat, 02 May 2026 19:06:37 +0000

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