Solution of the task:
1. The conditions say that the required number must be divisible by 5 and the sum of the numbers of which is 5, it follows that the number must end with either 5 or 0, since otherwise it will not be divisible by 5;
2. From all of the above, it turns out that the number will be either 60 (since 6 + 0 = 6), or 15 (since 1 + 5 + 6), the least of which is 15;
3. Answer: 15;
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