1011112009985 has 64 divisors (see below), whose sum is σ = 1518860851200. Its totient is φ = 627753369600.

The previous prime is 1011112009979. The next prime is 1011112009993. The reversal of 1011112009985 is 5899002111101.

1011112009985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1011112009985 - 2¹⁴ = 1011111993601 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 112204130 + ... + 112213140.

It is an arithmetic number, because the mean of its divisors is an integer number (23732200800).

Almost surely, 2^{1011112009985} is an apocalyptic number.

It is an amenable number.

1011112009985 is a deficient number, since it is larger than the sum of its proper divisors (507748841215).

1011112009985 is a wasteful number, since it uses less digits than its factorization.

1011112009985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10182.

The product of its (nonzero) digits is 6480, while the sum is 38.

The spelling of 1011112009985 in words is "one trillion, eleven billion, one hundred twelve million, nine thousand, nine hundred eighty-five".