11543366344 has 8 divisors (see below), whose sum is σ = 21643811910. Its totient is φ = 5771683168.

The previous prime is 11543366327. The next prime is 11543366347. The reversal of 11543366344 is 44366334511.

It can be written as a sum of positive squares in only one way, i.e., 10989328900 + 554037444 = 104830^2 + 23538^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 11543366297 and 11543366306.

It is not an unprimeable number, because it can be changed into a prime (11543366347) 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 as a sum of consecutive naturals, namely, 721460389 + ... + 721460404.

Almost surely, 2^11543366344 is an apocalyptic number.

It is an amenable number.

11543366344 is a deficient number, since it is larger than the sum of its proper divisors (10100445566).

11543366344 is a wasteful number, since it uses less digits than its factorization.

11543366344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442920799 (or 1442920795 counting only the distinct ones).

The product of its digits is 311040, while the sum is 40.

The spelling of 11543366344 in words is "eleven billion, five hundred forty-three million, three hundred sixty-six thousand, three hundred forty-four".