11223115443 has 24 divisors (see below), whose sum is σ = 17328598560. Its totient is φ = 6982208640.

The previous prime is 11223115429. The next prime is 11223115457. The reversal of 11223115443 is 34451132211.

11223115443 is a `hidden beast` number, since 112 + 2 + 3 + 1 + 1 + 544 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (11223115429) and next prime (11223115457).

It is not a de Polignac number, because 11223115443 - 2⁴ = 11223115427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11223115843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 652708 + ... + 669681.

It is an arithmetic number, because the mean of its divisors is an integer number (722024940).

Almost surely, 2^11223115443 is an apocalyptic number.

11223115443 is a deficient number, since it is larger than the sum of its proper divisors (6105483117).

11223115443 is a wasteful number, since it uses less digits than its factorization.

11223115443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322459 (or 1322456 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

Adding to 11223115443 its reverse (34451132211), we get a palindrome (45674247654).

The spelling of 11223115443 in words is "eleven billion, two hundred twenty-three million, one hundred fifteen thousand, four hundred forty-three".