Two billion, five hundred million.
To write 25 billion euros in numerical form, you would represent it as €25,000,000,000. In words, it can be expressed as "twenty-five billion euros." In financial documents, you might also see it abbreviated as "€25B."
One billion.
Three billion.
Fifty-eight billion.
One quintillion.
As a number it is: 25,000,000,000
$25,000,000,000.
2,500,000,000
thirty five billion
In words, 85,000,000,000 is eighty-five billion
25,000,042,615
21,018,000,025