11133344443 has 32 divisors (see below), whose sum is σ = 12916592640. Its totient is φ = 9508752000.

The previous prime is 11133344401. The next prime is 11133344471. The reversal of 11133344443 is 34444333111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11133344443 - 2²¹ = 11131247291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11133347443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8717721 + ... + 8718997.

It is an arithmetic number, because the mean of its divisors is an integer number (403643520).

Almost surely, 2^11133344443 is an apocalyptic number.

11133344443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11133344443 is a deficient number, since it is larger than the sum of its proper divisors (1783248197).

11133344443 is a wasteful number, since it uses less digits than its factorization.

11133344443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107.

The product of its digits is 20736, while the sum is 31.

Adding to 11133344443 its reverse (34444333111), we get a palindrome (45577677554).

The spelling of 11133344443 in words is "eleven billion, one hundred thirty-three million, three hundred forty-four thousand, four hundred forty-three".