11320140442 has 16 divisors (see below), whose sum is σ = 18448211880. Its totient is φ = 5178442752.

The previous prime is 11320140439. The next prime is 11320140449. The reversal of 11320140442 is 24404102311.

It is a happy number.

11320140442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1290318241 + 10029822201 = 35921^2 + 100149^2 .

It is not an unprimeable number, because it can be changed into a prime (11320140449) 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 7 ways as a sum of consecutive naturals, for example, 1923567 + ... + 1929442.

Almost surely, 2^11320140442 is an apocalyptic number.

11320140442 is a deficient number, since it is larger than the sum of its proper divisors (7128071438).

11320140442 is a wasteful number, since it uses less digits than its factorization.

11320140442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853137.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11320140442 its reverse (24404102311), we get a palindrome (35724242753).

The spelling of 11320140442 in words is "eleven billion, three hundred twenty million, one hundred forty thousand, four hundred forty-two".