11433644851844 has 72 divisors (see below), whose sum is σ = 21520710552600. Its totient is φ = 5312548021248.

The previous prime is 11433644851841. The next prime is 11433644851943. The reversal of 11433644851844 is 44815844633411.

It can be written as a sum of positive squares in 4 ways, for example, as 4010406760000 + 7423238091844 = 2002600^2 + 2724562^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11433644851844.

It is not an unprimeable number, because it can be changed into a prime (11433644851841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 400477682 + ... + 400506230.

It is an arithmetic number, because the mean of its divisors is an integer number (298898757675).

Almost surely, 2^{11433644851844} is an apocalyptic number.

It is an amenable number.

11433644851844 is a deficient number, since it is larger than the sum of its proper divisors (10087065700756).

11433644851844 is a wasteful number, since it uses less digits than its factorization.

11433644851844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33877 (or 33856 counting only the distinct ones).

The product of its digits is 17694720, while the sum is 56.

The spelling of 11433644851844 in words is "eleven trillion, four hundred thirty-three billion, six hundred forty-four million, eight hundred fifty-one thousand, eight hundred forty-four".