2009100000911 has 16 divisors (see below), whose sum is σ = 2052473955840. Its totient is φ = 1965931212960.

The previous prime is 2009100000893. The next prime is 2009100000937. The reversal of 2009100000911 is 1190000019002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2009100000911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009100000811) 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, 93947126 + ... + 93968508.

It is an arithmetic number, because the mean of its divisors is an integer number (128279622240).

Almost surely, 2^{2009100000911} is an apocalyptic number.

2009100000911 is a deficient number, since it is larger than the sum of its proper divisors (43373954929).

2009100000911 is a wasteful number, since it uses less digits than its factorization.

2009100000911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26086.

The product of its (nonzero) digits is 162, while the sum is 23.

Adding to 2009100000911 its reverse (1190000019002), we get a palindrome (3199100019913).

The spelling of 2009100000911 in words is "two trillion, nine billion, one hundred million, nine hundred eleven", and thus it is an aban number.