11556333044 has 12 divisors (see below), whose sum is σ = 20224339044. Its totient is φ = 5777950464.

The previous prime is 11556333043. The next prime is 11556333053. The reversal of 11556333044 is 44033365511.

It can be written as a sum of positive squares in 2 ways, for example, as 2491008100 + 9065324944 = 49910^2 + 95212^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11556332995 and 11556333013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11556333043) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 165014 + ... + 224370.

It is an arithmetic number, because the mean of its divisors is an integer number (1685361587).

Almost surely, 2^11556333044 is an apocalyptic number.

It is an amenable number.

11556333044 is a deficient number, since it is larger than the sum of its proper divisors (8668006000).

11556333044 is a wasteful number, since it uses less digits than its factorization.

11556333044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108034 (or 108032 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 11556333044 its reverse (44033365511), we get a palindrome (55589698555).

The spelling of 11556333044 in words is "eleven billion, five hundred fifty-six million, three hundred thirty-three thousand, forty-four".