111411110143 has 16 divisors (see below), whose sum is σ = 114859105920. Its totient is φ = 108027039744.

The previous prime is 111411110117. The next prime is 111411110231. The reversal of 111411110143 is 341011114111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111411110143 - 2²⁵ = 111377555711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111411110143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111411110113) 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, 1302255 + ... + 1385167.

It is an arithmetic number, because the mean of its divisors is an integer number (7178694120).

Almost surely, 2^111411110143 is an apocalyptic number.

111411110143 is a deficient number, since it is larger than the sum of its proper divisors (3447995777).

111411110143 is an equidigital number, since it uses as much as digits as its factorization.

111411110143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83298.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 111411110143 its reverse (341011114111), we get a palindrome (452422224254).

The spelling of 111411110143 in words is "one hundred eleven billion, four hundred eleven million, one hundred ten thousand, one hundred forty-three".