111131163 has 64 divisors (see below), whose sum is σ = 195955200. Its totient is φ = 61361280.

The previous prime is 111131149. The next prime is 111131177. The reversal of 111131163 is 361131111.

It is an interprime number because it is at equal distance from previous prime (111131149) and next prime (111131177).

It is not a de Polignac number, because 111131163 - 2⁵ = 111131131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111131123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 412993 + ... + 413261.

It is an arithmetic number, because the mean of its divisors is an integer number (3061800).

Almost surely, 2^111131163 is an apocalyptic number.

111131163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111131163 is a deficient number, since it is larger than the sum of its proper divisors (84824037).

111131163 is a wasteful number, since it uses less digits than its factorization.

111131163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 403 counting only the distinct ones).

The product of its digits is 54, while the sum is 18.

The square root of 111131163 is about 10541.8766355901. The cubic root of 111131163 is about 480.7787748578.

Adding to 111131163 its reverse (361131111), we get a palindrome (472262274).

The spelling of 111131163 in words is "one hundred eleven million, one hundred thirty-one thousand, one hundred sixty-three".