1111001010985 has 16 divisors (see below), whose sum is σ = 1343494968192. Its totient is φ = 881963308800.

The previous prime is 1111001010979. The next prime is 1111001010989. The reversal of 1111001010985 is 5890101001111.

It is a happy number.

It is not a de Polignac number, because 1111001010985 - 2⁹ = 1111001010473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111001010989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1206901 + ... + 1917970.

It is an arithmetic number, because the mean of its divisors is an integer number (83968435512).

Almost surely, 2^{1111001010985} is an apocalyptic number.

It is an amenable number.

1111001010985 is a deficient number, since it is larger than the sum of its proper divisors (232493957207).

1111001010985 is a wasteful number, since it uses less digits than its factorization.

1111001010985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125424.

The product of its (nonzero) digits is 360, while the sum is 28.

The spelling of 1111001010985 in words is "one trillion, one hundred eleven billion, one million, ten thousand, nine hundred eighty-five".