111342243143 has 4 divisors (see below), whose sum is σ = 111343717008. Its totient is φ = 111340769280.

The previous prime is 111342243127. The next prime is 111342243161. The reversal of 111342243143 is 341342243111.

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 111342243143 - 2⁴ = 111342243127 is a prime.

It is a super-3 number, since 3×111342243143³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111342243163) 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, 617123 + ... + 776868.

It is an arithmetic number, because the mean of its divisors is an integer number (27835929252).

Almost surely, 2^111342243143 is an apocalyptic number.

111342243143 is a deficient number, since it is larger than the sum of its proper divisors (1473865).

111342243143 is an equidigital number, since it uses as much as digits as its factorization.

111342243143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473864.

The product of its digits is 6912, while the sum is 29.

Adding to 111342243143 its reverse (341342243111), we get a palindrome (452684486254).

The spelling of 111342243143 in words is "one hundred eleven billion, three hundred forty-two million, two hundred forty-three thousand, one hundred forty-three".