111424513143 has 8 divisors (see below), whose sum is σ = 151001526256. Its totient is φ = 73065254400.

The previous prime is 111424513073. The next prime is 111424513147. The reversal of 111424513143 is 341315424111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111424513143 - 2¹⁸ = 111424250999 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 111424513143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111424513147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304438378 + ... + 304438743.

It is an arithmetic number, because the mean of its divisors is an integer number (18875190782).

Almost surely, 2^111424513143 is an apocalyptic number.

111424513143 is a deficient number, since it is larger than the sum of its proper divisors (39577013113).

111424513143 is an equidigital number, since it uses as much as digits as its factorization.

111424513143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608877185.

The product of its digits is 5760, while the sum is 30.

Adding to 111424513143 its reverse (341315424111), we get a palindrome (452739937254).

The spelling of 111424513143 in words is "one hundred eleven billion, four hundred twenty-four million, five hundred thirteen thousand, one hundred forty-three".