1838202000911 has 4 divisors (see below), whose sum is σ = 1856402020824. Its totient is φ = 1820001981000.

The previous prime is 1838202000893. The next prime is 1838202000931. The reversal of 1838202000911 is 1190002028381.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1838202000911 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 (1838202000931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9100009805 + ... + 9100010006.

It is an arithmetic number, because the mean of its divisors is an integer number (464100505206).

Almost surely, 2^{1838202000911} is an apocalyptic number.

1838202000911 is a deficient number, since it is larger than the sum of its proper divisors (18200019913).

1838202000911 is a wasteful number, since it uses less digits than its factorization.

1838202000911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18200019912.

The product of its (nonzero) digits is 6912, while the sum is 35.

The spelling of 1838202000911 in words is "one trillion, eight hundred thirty-eight billion, two hundred two million, nine hundred eleven", and thus it is an aban number.