9441181265812 has 36 divisors (see below), whose sum is σ = 17489161178580. Its totient is φ = 4458867823872.

The previous prime is 9441181265801. The next prime is 9441181265821. The reversal of 9441181265812 is 2185621811449.

It can be written as a sum of positive squares in 2 ways, for example, as 920129866756 + 8521051399056 = 959234^2 + 2919084^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9441181265812.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9213987 + ... + 10187242.

Almost surely, 2^{9441181265812} is an apocalyptic number.

It is an amenable number.

9441181265812 is a deficient number, since it is larger than the sum of its proper divisors (8047979912768).

9441181265812 is a wasteful number, since it uses less digits than its factorization.

9441181265812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19401608 (or 19401587 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 52.

The spelling of 9441181265812 in words is "nine trillion, four hundred forty-one billion, one hundred eighty-one million, two hundred sixty-five thousand, eight hundred twelve".