9841434985011 has 32 divisors (see below), whose sum is σ = 16107918784000. Its totient is φ = 5327694116640.

The previous prime is 9841434985003. The next prime is 9841434985033. The reversal of 9841434985011 is 1105894341489.

It is not a de Polignac number, because 9841434985011 - 2³ = 9841434985003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9841434985061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251666680 + ... + 251705781.

It is an arithmetic number, because the mean of its divisors is an integer number (503372462000).

Almost surely, 2^{9841434985011} is an apocalyptic number.

9841434985011 is a deficient number, since it is larger than the sum of its proper divisors (6266483798989).

9841434985011 is a wasteful number, since it uses less digits than its factorization.

9841434985011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503372504 (or 503372490 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 57.

The spelling of 9841434985011 in words is "nine trillion, eight hundred forty-one billion, four hundred thirty-four million, nine hundred eighty-five thousand, eleven".