11440453111 has 4 divisors (see below), whose sum is σ = 11440755792. Its totient is φ = 11440150432.

The previous prime is 11440453091. The next prime is 11440453139. The reversal of 11440453111 is 11135404411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11135404411 = 251 ⋅44364161.

It is a cyclic number.

It is not a de Polignac number, because 11440453111 - 2¹⁷ = 11440322039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11440453181) 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 3 ways as a sum of consecutive naturals, for example, 84931 + ... + 173476.

It is an arithmetic number, because the mean of its divisors is an integer number (2860188948).

Almost surely, 2^11440453111 is an apocalyptic number.

11440453111 is a deficient number, since it is larger than the sum of its proper divisors (302681).

11440453111 is an equidigital number, since it uses as much as digits as its factorization.

11440453111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302680.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 11440453111 its reverse (11135404411), we get a palindrome (22575857522).

The spelling of 11440453111 in words is "eleven billion, four hundred forty million, four hundred fifty-three thousand, one hundred eleven".