1110112985 has 4 divisors (see below), whose sum is σ = 1332135588. Its totient is φ = 888090384.

The previous prime is 1110112973. The next prime is 1110112999. The reversal of 1110112985 is 5892110111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5892110111 = 137 ⋅43008103.

It can be written as a sum of positive squares in 2 ways, for example, as 177848896 + 932264089 = 13336^2 + 30533^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110112985 - 2¹² = 1110108889 is a prime.

It is a super-2 number, since 2×1110112985² = 2464701678931220450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111011294 + ... + 111011303.

It is an arithmetic number, because the mean of its divisors is an integer number (333033897).

Almost surely, 2^1110112985 is an apocalyptic number.

It is an amenable number.

1110112985 is a deficient number, since it is larger than the sum of its proper divisors (222022603).

1110112985 is an equidigital number, since it uses as much as digits as its factorization.

1110112985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222022602.

The product of its (nonzero) digits is 720, while the sum is 29.

The square root of 1110112985 is about 33318.3580777925. The cubic root of 1110112985 is about 1035.4339347472.

The spelling of 1110112985 in words is "one billion, one hundred ten million, one hundred twelve thousand, nine hundred eighty-five".