A shape with the vertices labeled sequentially from 1 to 9, forming a continuous path without intersections, can be referred to as a polygon. However, there isn't a specific name for a shape labeled "123456789." If you mean a geometric arrangement of points or a diagram, it would depend on the context, such as whether it's a simple path, a closed shape, or another configuration.
you get cheese
324536
1.524157875019052e+16
1234567 + 123456789 = 124691356
123456789*1
123456789 + 123456789 = 246913578
the answer is 15241578750190521
15,241,578,750,190,521
you get cheese
1
543234567890-123456789 = 543111111101
324536
The individual symbols, if that's what you mean, are called digits. That includes the zero, as well.
789456 to 123456789 789456 to 123456789 789456 to 123456789 789456 to 123456789
123456789 +987654321 =1111111110
123456789-987654321 = -864197532
1.524157875019052e+16