11031223404443 has 32 divisors (see below), whose sum is σ = 13563280224000. Its totient is φ = 8841248824320.

The previous prime is 11031223404437. The next prime is 11031223404473. The reversal of 11031223404443 is 34440432213011.

It is not a de Polignac number, because 11031223404443 - 2⁶ = 11031223404379 is a prime.

It is a super-2 number, since 2×11031223404443² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11031223404433) 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, 17126273 + ... + 17758706.

It is an arithmetic number, because the mean of its divisors is an integer number (423852507000).

Almost surely, 2^{11031223404443} is an apocalyptic number.

11031223404443 is a deficient number, since it is larger than the sum of its proper divisors (2532056819557).

11031223404443 is a wasteful number, since it uses less digits than its factorization.

11031223404443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34885115.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 11031223404443 its reverse (34440432213011), we get a palindrome (45471655617454).

The spelling of 11031223404443 in words is "eleven trillion, thirty-one billion, two hundred twenty-three million, four hundred four thousand, four hundred forty-three".