India's unique number system

Term

Figure

No of zeros

In words)

lakh (lac)

1,00,000

5

Hundred thousand

crore

1,00,00,000

7

Ten million

arab

1,00,00,00,000

9

1 billion

kharab

1,00,00,00,00,000

11

100 billion

neel

1,00,00,00,00,00,000

13

10 trillion

padma

1,00,00,00,00,00,00,000

15

1 quadrillion

shankh

1,00,00,00,00,00,00,00,000

17

100 quadrillion

maha-

1,00,00,00,00,00,00,00,00,000

19

10 quintillion