11443340403 has 24 divisors (see below), whose sum is σ = 18613610496. Its totient is φ = 6711634800.

The previous prime is 11443340327. The next prime is 11443340411. The reversal of 11443340403 is 30404334411.

It is not a de Polignac number, because 11443340403 - 2⁸ = 11443340147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11443340423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1861275 + ... + 1867412.

It is an arithmetic number, because the mean of its divisors is an integer number (775567104).

Almost surely, 2^11443340403 is an apocalyptic number.

11443340403 is a deficient number, since it is larger than the sum of its proper divisors (7170270093).

11443340403 is a wasteful number, since it uses less digits than its factorization.

11443340403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3728735 (or 3728732 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 11443340403 its reverse (30404334411), we get a palindrome (41847674814).

The spelling of 11443340403 in words is "eleven billion, four hundred forty-three million, three hundred forty thousand, four hundred three".