111434263 has 2 divisors, whose sum is σ = 111434264. Its totient is φ = 111434262.

The previous prime is 111434261. The next prime is 111434273. The reversal of 111434263 is 362434111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111434263 - 2¹ = 111434261 is a prime.

Together with 111434261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111434261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55717131 + 55717132.

It is an arithmetic number, because the mean of its divisors is an integer number (55717132).

Almost surely, 2^111434263 is an apocalyptic number.

111434263 is a deficient number, since it is larger than the sum of its proper divisors (1).

111434263 is an equidigital number, since it uses as much as digits as its factorization.

111434263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 111434263 is about 10556.2428448762. The cubic root of 111434263 is about 481.2154713407.

Adding to 111434263 its reverse (362434111), we get a palindrome (473868374).

The spelling of 111434263 in words is "one hundred eleven million, four hundred thirty-four thousand, two hundred sixty-three".