11505042544432 has 40 divisors (see below), whose sum is σ = 23603700623616. Its totient is φ = 5413806375936.

The previous prime is 11505042544409. The next prime is 11505042544433. The reversal of 11505042544432 is 23444524050511.

It is not an unprimeable number, because it can be changed into a prime (11505042544433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3187698 + ... + 5759470.

Almost surely, 2^{11505042544432} is an apocalyptic number.

It is an amenable number.

11505042544432 is an abundant number, since it is smaller than the sum of its proper divisors (12098658079184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11505042544432 is a wasteful number, since it uses less digits than its factorization.

11505042544432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588245 (or 2588239 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 11505042544432 its reverse (23444524050511), we get a palindrome (34949566594943).

The spelling of 11505042544432 in words is "eleven trillion, five hundred five billion, forty-two million, five hundred forty-four thousand, four hundred thirty-two".