11553143432 has 32 divisors (see below), whose sum is σ = 22702766400. Its totient is φ = 5501267904.

The previous prime is 11553143429. The next prime is 11553143527. The reversal of 11553143432 is 23434135511.

11553143432 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, 94958 + ... + 179229.

It is an arithmetic number, because the mean of its divisors is an integer number (709461450).

Almost surely, 2^11553143432 is an apocalyptic number.

It is an amenable number.

11553143432 is a deficient number, since it is larger than the sum of its proper divisors (11149622968).

11553143432 is a wasteful number, since it uses less digits than its factorization.

11553143432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274445 (or 274441 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

Adding to 11553143432 its reverse (23434135511), we get a palindrome (34987278943).

The spelling of 11553143432 in words is "eleven billion, five hundred fifty-three million, one hundred forty-three thousand, four hundred thirty-two".