9811042112 has 28 divisors (see below), whose sum is σ = 19474220640. Its totient is φ = 4904151936.

The previous prime is 9811042097. The next prime is 9811042117. The reversal of 9811042112 is 2112401189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9811042117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233189 + ... + 272027.

It is an arithmetic number, because the mean of its divisors is an integer number (695507880).

Almost surely, 2^9811042112 is an apocalyptic number.

It is an amenable number.

9811042112 is a deficient number, since it is larger than the sum of its proper divisors (9663178528).

9811042112 is a wasteful number, since it uses less digits than its factorization.

9811042112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42798 (or 42788 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 9811042112 is about 99050.7047526670. The cubic root of 9811042112 is about 2140.7783956133.

The spelling of 9811042112 in words is "nine billion, eight hundred eleven million, forty-two thousand, one hundred twelve".