1000001111109 has 96 divisors (see below), whose sum is σ = 1871429406336. Its totient is φ = 466560622080.

The previous prime is 1000001111089. The next prime is 1000001111143. The reversal of 1000001111109 is 9011111000001.

It is not a de Polignac number, because 1000001111109 - 2¹² = 1000001107013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000001111159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 134919 + ... + 1420635.

It is an arithmetic number, because the mean of its divisors is an integer number (19494056316).

Almost surely, 2^{1000001111109} is an apocalyptic number.

It is an amenable number.

1000001111109 is a deficient number, since it is larger than the sum of its proper divisors (871428295227).

1000001111109 is a wasteful number, since it uses less digits than its factorization.

1000001111109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285795 (or 1285788 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 15.

The spelling of 1000001111109 in words is "one trillion, one million, one hundred eleven thousand, one hundred nine".