1111412443 has 16 divisors (see below), whose sum is σ = 1179018720. Its totient is φ = 1045868544.

The previous prime is 1111412437. The next prime is 1111412459. The reversal of 1111412443 is 3442141111.

It is a cyclic number.

It is not a de Polignac number, because 1111412443 - 2²⁹ = 574541531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111412473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 963355 + ... + 964507.

It is an arithmetic number, because the mean of its divisors is an integer number (73688670).

Almost surely, 2^1111412443 is an apocalyptic number.

1111412443 is a deficient number, since it is larger than the sum of its proper divisors (67606277).

1111412443 is a wasteful number, since it uses less digits than its factorization.

1111412443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998.

The product of its digits is 384, while the sum is 22.

The square root of 1111412443 is about 33337.8530052552. The cubic root of 1111412443 is about 1035.8377910124.

Adding to 1111412443 its reverse (3442141111), we get a palindrome (4553553554).

The spelling of 1111412443 in words is "one billion, one hundred eleven million, four hundred twelve thousand, four hundred forty-three".