111403042144243 has 2 divisors, whose sum is σ = 111403042144244. Its totient is φ = 111403042144242.

The previous prime is 111403042144241. The next prime is 111403042144313. The reversal of 111403042144243 is 342441240304111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111403042144243 - 2¹ = 111403042144241 is a prime.

Together with 111403042144241, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 111403042144199 and 111403042144208.

It is not a weakly prime, because it can be changed into another prime (111403042144241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55701521072121 + 55701521072122.

It is an arithmetic number, because the mean of its divisors is an integer number (55701521072122).

Almost surely, 2^{111403042144243} is an apocalyptic number.

111403042144243 is a deficient number, since it is larger than the sum of its proper divisors (1).

111403042144243 is an equidigital number, since it uses as much as digits as its factorization.

111403042144243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 111403042144243 its reverse (342441240304111), we get a palindrome (453844282448354).

The spelling of 111403042144243 in words is "one hundred eleven trillion, four hundred three billion, forty-two million, one hundred forty-four thousand, two hundred forty-three".