11543235044 has 24 divisors (see below), whose sum is σ = 22151283168. Its totient is φ = 5219735040.

The previous prime is 11543235019. The next prime is 11543235071. The reversal of 11543235044 is 44053234511.

It is a self number, because there is not a number n which added to its sum of digits gives 11543235044.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671162 + ... + 688145.

It is an arithmetic number, because the mean of its divisors is an integer number (922970132).

Almost surely, 2^11543235044 is an apocalyptic number.

It is an amenable number.

11543235044 is a deficient number, since it is larger than the sum of its proper divisors (10608048124).

11543235044 is a wasteful number, since it uses less digits than its factorization.

11543235044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359515 (or 1359513 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 11543235044 its reverse (44053234511), we get a palindrome (55596469555).

The spelling of 11543235044 in words is "eleven billion, five hundred forty-three million, two hundred thirty-five thousand, forty-four".