111130985 has 16 divisors (see below), whose sum is σ = 153328896. Its totient is φ = 75743808.

The previous prime is 111130979. The next prime is 111130991. The reversal of 111130985 is 589031111.

It is an interprime number because it is at equal distance from previous prime (111130979) and next prime (111130991).

It is not a de Polignac number, because 111130985 - 2⁸ = 111130729 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3662 + ... + 15351.

It is an arithmetic number, because the mean of its divisors is an integer number (9583056).

Almost surely, 2^111130985 is an apocalyptic number.

It is an amenable number.

111130985 is a deficient number, since it is larger than the sum of its proper divisors (42197911).

111130985 is a wasteful number, since it uses less digits than its factorization.

111130985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19192.

The product of its (nonzero) digits is 1080, while the sum is 29.

The square root of 111130985 is about 10541.8681930671. The cubic root of 111130985 is about 480.7785181681.

The spelling of 111130985 in words is "one hundred eleven million, one hundred thirty thousand, nine hundred eighty-five".