11143344430 has 32 divisors (see below), whose sum is σ = 20325359808. Its totient is φ = 4398240000.

The previous prime is 11143344403. The next prime is 11143344463. The reversal of 11143344430 is 3444334111.

It is a happy number.

It is a super-2 number, since 2×11143344430² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270180 + ... + 308680.

It is an arithmetic number, because the mean of its divisors is an integer number (635167494).

Almost surely, 2^11143344430 is an apocalyptic number.

11143344430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11143344430 is a deficient number, since it is larger than the sum of its proper divisors (9182015378).

11143344430 is a wasteful number, since it uses less digits than its factorization.

11143344430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38892.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 11143344430 its reverse (3444334111), we get a palindrome (14587678541).

The spelling of 11143344430 in words is "eleven billion, one hundred forty-three million, three hundred forty-four thousand, four hundred thirty".