Surya Siddhanta
खव्योमखत्रयखसाग्रषट्कनागव्योमाष्टशून्ययमरूपनगाष्टचन्द्राः।(१८७१२०८०८६४००००००) ब्रह्माण्डसम्पुटपरिभ्रमणम् समन्ताद् अभ्यन्तरे दिनकरस्य करप्रसारः॥
The entire circumference of the sphere of the Brahmaegg is eighteen quadrillion, seven hundred and twelve trillion, eighty billion, eight hundred and sixty-four million : within this is the pervasion of the sun's rays.
english translation