1000010010985 has 4 divisors (see below), whose sum is σ = 1200012013188. Its totient is φ = 800008008784.

The previous prime is 1000010010877. The next prime is 1000010010997. The reversal of 1000010010985 is 5890100100001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 733659058521 + 266350952464 = 856539^2 + 516092^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000010010985 - 2¹¹ = 1000010008937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100001001094 + ... + 100001001103.

It is an arithmetic number, because the mean of its divisors is an integer number (300003003297).

Almost surely, 2^{1000010010985} is an apocalyptic number.

It is an amenable number.

1000010010985 is a deficient number, since it is larger than the sum of its proper divisors (200002002203).

1000010010985 is an equidigital number, since it uses as much as digits as its factorization.

1000010010985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200002002202.

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

Adding to 1000010010985 its reverse (5890100100001), we get a palindrome (6890110110986).

The spelling of 1000010010985 in words is "one trillion, ten million, ten thousand, nine hundred eighty-five".