11166106511065 has 16 divisors (see below), whose sum is σ = 14617603227456. Its totient is φ = 8120718788800.

The previous prime is 11166106511051. The next prime is 11166106511117. The reversal of 11166106511065 is 56011560166111.

It is not a de Polignac number, because 11166106511065 - 2⁵ = 11166106511033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4423110 + ... + 6472720.

It is an arithmetic number, because the mean of its divisors is an integer number (913600201716).

Almost surely, 2^{11166106511065} is an apocalyptic number.

It is an amenable number.

11166106511065 is a deficient number, since it is larger than the sum of its proper divisors (3451496716391).

11166106511065 is a wasteful number, since it uses less digits than its factorization.

11166106511065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148680.

The product of its (nonzero) digits is 32400, while the sum is 40.

Adding to 11166106511065 its reverse (56011560166111), we get a palindrome (67177666677176).

The spelling of 11166106511065 in words is "eleven trillion, one hundred sixty-six billion, one hundred six million, five hundred eleven thousand, sixty-five".