111434141243 has 4 divisors (see below), whose sum is σ = 111900393120. Its totient is φ = 110967889368.

The previous prime is 111434141233. The next prime is 111434141297. The reversal of 111434141243 is 342141434111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342141434111 = 199 ⋅1719303689.

It is a cyclic number.

It is not a de Polignac number, because 111434141243 - 2²⁶ = 111367032379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111434141213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233125580 + ... + 233126057.

It is an arithmetic number, because the mean of its divisors is an integer number (27975098280).

Almost surely, 2^111434141243 is an apocalyptic number.

111434141243 is a deficient number, since it is larger than the sum of its proper divisors (466251877).

111434141243 is an equidigital number, since it uses as much as digits as its factorization.

111434141243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466251876.

The product of its digits is 4608, while the sum is 29.

Adding to 111434141243 its reverse (342141434111), we get a palindrome (453575575354).

The spelling of 111434141243 in words is "one hundred eleven billion, four hundred thirty-four million, one hundred forty-one thousand, two hundred forty-three".