Where is the numeral in «مَرَرْتُ بِأَحَدَ عَشَرَ طَالِبًا»?

Al-Murakkabāt — Compound Numerals, the Twelve Exception and Declining Baalbek

• Nominative with ḍammah
• Accusative as tamyīz
• Predicate of inna
• Genitive position after the preposition بِـ