111411123443 has 4 divisors (see below), whose sum is σ = 111478119168. Its totient is φ = 111344127720.

The previous prime is 111411123431. The next prime is 111411123497. The reversal of 111411123443 is 344321114111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111411123443 - 2³⁶ = 42691646707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111411123743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33495368 + ... + 33498693.

It is an arithmetic number, because the mean of its divisors is an integer number (27869529792).

Almost surely, 2^111411123443 is an apocalyptic number.

111411123443 is a deficient number, since it is larger than the sum of its proper divisors (66995725).

111411123443 is an equidigital number, since it uses as much as digits as its factorization.

111411123443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66995724.

The product of its digits is 1152, while the sum is 26.

Adding to 111411123443 its reverse (344321114111), we get a palindrome (455732237554).

The spelling of 111411123443 in words is "one hundred eleven billion, four hundred eleven million, one hundred twenty-three thousand, four hundred forty-three".