11555204424 has 32 divisors (see below), whose sum is σ = 28926522240. Its totient is φ = 3846600000.

The previous prime is 11555204387. The next prime is 11555204431. The reversal of 11555204424 is 42440255511.

It is a happy number.

11555204424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302527 + ... + 338574.

It is an arithmetic number, because the mean of its divisors is an integer number (903953820).

Almost surely, 2^11555204424 is an apocalyptic number.

It is an amenable number.

11555204424 is an abundant number, since it is smaller than the sum of its proper divisors (17371317816).

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

11555204424 is a wasteful number, since it uses less digits than its factorization.

11555204424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641861 (or 641857 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 11555204424 its reverse (42440255511), we get a palindrome (53995459935).

The spelling of 11555204424 in words is "eleven billion, five hundred fifty-five million, two hundred four thousand, four hundred twenty-four".