111080985 has 8 divisors (see below), whose sum is σ = 177729600. Its totient is φ = 59243184.

The previous prime is 111080969. The next prime is 111080987. The reversal of 111080985 is 589080111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111080985 - 2⁴ = 111080969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111080987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3702685 + ... + 3702714.

It is an arithmetic number, because the mean of its divisors is an integer number (22216200).

Almost surely, 2^111080985 is an apocalyptic number.

111080985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111080985 is a deficient number, since it is larger than the sum of its proper divisors (66648615).

111080985 is an equidigital number, since it uses as much as digits as its factorization.

111080985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7405407.

The product of its (nonzero) digits is 2880, while the sum is 33.

The square root of 111080985 is about 10539.4964300957. The cubic root of 111080985 is about 480.7064034709.

The spelling of 111080985 in words is "one hundred eleven million, eighty thousand, nine hundred eighty-five".