11643034611 has 16 divisors (see below), whose sum is σ = 16720551680. Its totient is φ = 7163938080.

The previous prime is 11643034597. The next prime is 11643034619.

11643034611 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 11643034611 - 2¹⁷ = 11642903539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11643034619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338130 + ... + 370968.

It is an arithmetic number, because the mean of its divisors is an integer number (1045034480).

Almost surely, 2^11643034611 is an apocalyptic number.

11643034611 is a deficient number, since it is larger than the sum of its proper divisors (5077517069).

11643034611 is a wasteful number, since it uses less digits than its factorization.

11643034611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41946.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 11643034611 in words is "eleven billion, six hundred forty-three million, thirty-four thousand, six hundred eleven".