111013985 has 16 divisors (see below), whose sum is σ = 140088960. Its totient is φ = 84289920.

The previous prime is 111013957. The next prime is 111014021. The reversal of 111013985 is 589310111.

It is not a de Polignac number, because 111013985 - 2⁸ = 111013729 is a prime.

It is a super-3 number, since 3×111013985³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11381 + ... + 18749.

It is an arithmetic number, because the mean of its divisors is an integer number (8755560).

Almost surely, 2^111013985 is an apocalyptic number.

It is an amenable number.

111013985 is a deficient number, since it is larger than the sum of its proper divisors (29074975).

111013985 is a wasteful number, since it uses less digits than its factorization.

111013985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7528.

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

The square root of 111013985 is about 10536.3174306776. The cubic root of 111013985 is about 480.6097358410.

The spelling of 111013985 in words is "one hundred eleven million, thirteen thousand, nine hundred eighty-five".