9811200000011 has 8 divisors (see below), whose sum is σ = 10660726656000. Its totient is φ = 8994988114920.

The previous prime is 9811200000001. The next prime is 9811200000031. The reversal of 9811200000011 is 1100000021189.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9811200000011 - 2²² = 9811195805707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9811200000001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8328692111 + ... + 8328693288.

It is an arithmetic number, because the mean of its divisors is an integer number (1332590832000).

Almost surely, 2^{9811200000011} is an apocalyptic number.

9811200000011 is a deficient number, since it is larger than the sum of its proper divisors (849526655989).

9811200000011 is a wasteful number, since it uses less digits than its factorization.

9811200000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16657385449.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 9811200000011 in words is "nine trillion, eight hundred eleven billion, two hundred million, eleven", and thus it is an aban number.