11152543556 has 48 divisors (see below), whose sum is σ = 24350699520. Its totient is φ = 4341954720.

The previous prime is 11152543547. The next prime is 11152543559. The reversal of 11152543556 is 65534525111.

11152543556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11152543559) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 430631 + ... + 455793.

It is an arithmetic number, because the mean of its divisors is an integer number (507306240).

Almost surely, 2^11152543556 is an apocalyptic number.

It is an amenable number.

11152543556 is an abundant number, since it is smaller than the sum of its proper divisors (13198155964).

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

11152543556 is a wasteful number, since it uses less digits than its factorization.

11152543556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26624 (or 26622 counting only the distinct ones).

The product of its digits is 90000, while the sum is 38.

The spelling of 11152543556 in words is "eleven billion, one hundred fifty-two million, five hundred forty-three thousand, five hundred fifty-six".