111303163 has 2 divisors, whose sum is σ = 111303164. Its totient is φ = 111303162.

The previous prime is 111303161. The next prime is 111303193. The reversal of 111303163 is 361303111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111303163 - 2¹ = 111303161 is a prime.

Together with 111303161, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 111303163.

It is not a weakly prime, because it can be changed into another prime (111303161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55651581 + 55651582.

It is an arithmetic number, because the mean of its divisors is an integer number (55651582).

Almost surely, 2^111303163 is an apocalyptic number.

111303163 is a deficient number, since it is larger than the sum of its proper divisors (1).

111303163 is an equidigital number, since it uses as much as digits as its factorization.

111303163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 111303163 is about 10550.0314217542. The cubic root of 111303163 is about 481.0266840889.

Adding to 111303163 its reverse (361303111), we get a palindrome (472606274).

The spelling of 111303163 in words is "one hundred eleven million, three hundred three thousand, one hundred sixty-three".