11145133611 has 12 divisors (see below), whose sum is σ = 16112172960. Its totient is φ = 7423790640.

The previous prime is 11145133591. The next prime is 11145133619. The reversal of 11145133611 is 11633154111.

11145133611 is a `hidden beast` number, since 1 + 1 + 1 + 45 + 1 + 3 + 3 + 611 = 666.

11145133611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11145133611 - 2¹³ = 11145125419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11145133619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 513651 + ... + 534908.

It is an arithmetic number, because the mean of its divisors is an integer number (1342681080).

Almost surely, 2^11145133611 is an apocalyptic number.

11145133611 is a deficient number, since it is larger than the sum of its proper divisors (4967039349).

11145133611 is a wasteful number, since it uses less digits than its factorization.

11145133611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049746 (or 1049743 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

Adding to 11145133611 its reverse (11633154111), we get a palindrome (22778287722).

The spelling of 11145133611 in words is "eleven billion, one hundred forty-five million, one hundred thirty-three thousand, six hundred eleven".