1011001009985 has 16 divisors (see below), whose sum is σ = 1241933299200. Its totient is φ = 789661783680.

The previous prime is 1011001009969. The next prime is 1011001010021. The reversal of 1011001009985 is 5899001001101.

1011001009985 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 1011001009985 - 2⁴ = 1011001009969 is a prime.

It is a Curzon number.

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, 464276 + ... + 1495845.

It is an arithmetic number, because the mean of its divisors is an integer number (77620831200).

Almost surely, 2^{1011001009985} is an apocalyptic number.

It is an amenable number.

1011001009985 is a deficient number, since it is larger than the sum of its proper divisors (230932289215).

1011001009985 is a wasteful number, since it uses less digits than its factorization.

1011001009985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962568.

The product of its (nonzero) digits is 3240, while the sum is 35.

The spelling of 1011001009985 in words is "one trillion, eleven billion, one million, nine thousand, nine hundred eighty-five".