1000001010985 has 16 divisors (see below), whose sum is σ = 1225661746176. Its totient is φ = 782897359168.

The previous prime is 1000001010961. The next prime is 1000001010989. The reversal of 1000001010985 is 5890101000001.

It is a cyclic number.

It is not a de Polignac number, because 1000001010985 - 2¹⁵ = 1000000978217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000001010989) 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, 2071227 + ... + 2507983.

It is an arithmetic number, because the mean of its divisors is an integer number (76603859136).

Almost surely, 2^{1000001010985} is an apocalyptic number.

It is an amenable number.

1000001010985 is a deficient number, since it is larger than the sum of its proper divisors (225660735191).

1000001010985 is an equidigital number, since it uses as much as digits as its factorization.

1000001010985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446552.

The product of its (nonzero) digits is 360, while the sum is 25.

Adding to 1000001010985 its reverse (5890101000001), we get a palindrome (6890102010986).

The spelling of 1000001010985 in words is "one trillion, one million, ten thousand, nine hundred eighty-five".