11543044412 has 12 divisors (see below), whose sum is σ = 20203319136. Its totient is φ = 5770667520.

The previous prime is 11543044397. The next prime is 11543044417. The reversal of 11543044412 is 21444034511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11543044417) 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, 182789 + ... + 237692.

It is an arithmetic number, because the mean of its divisors is an integer number (1683609928).

Almost surely, 2^11543044412 is an apocalyptic number.

It is an amenable number.

11543044412 is a deficient number, since it is larger than the sum of its proper divisors (8660274724).

11543044412 is a wasteful number, since it uses less digits than its factorization.

11543044412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427348 (or 427346 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 11543044412 its reverse (21444034511), we get a palindrome (32987078923).

Subtracting 11543044412 from its reverse (21444034511), we obtain a palindrome (9900990099).

The spelling of 11543044412 in words is "eleven billion, five hundred forty-three million, forty-four thousand, four hundred twelve".