Question: is the vice president president of the senate

Answer: Yes, The Vice President of the United States (informally referred to as VPOTUS, or Veep) is a constitutional officer in the legislative branch of the federal government of the United States as the President of the Senate under Article I, Section 3, Clause 4, of the United States Constitution, as well as the second highest executive branch officer, after the President of the United States. In accordance with the 25th Amendment, he is the highest-ranking official in the presidential line of succession, and is a statutory member of the National Security Council under the National Security Act of 1947.