11553304543 has 24 divisors (see below), whose sum is σ = 12962567376. Its totient is φ = 10211846400.

The previous prime is 11553304537. The next prime is 11553304591. The reversal of 11553304543 is 34540335511.

It is a de Polignac number, because none of the positive numbers 2^k-11553304543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11553304499 and 11553304508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11553304523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4900521 + ... + 4902877.

It is an arithmetic number, because the mean of its divisors is an integer number (540106974).

Almost surely, 2^11553304543 is an apocalyptic number.

11553304543 is a deficient number, since it is larger than the sum of its proper divisors (1409262833).

11553304543 is a wasteful number, since it uses less digits than its factorization.

11553304543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695 (or 2652 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 11553304543 in words is "eleven billion, five hundred fifty-three million, three hundred four thousand, five hundred forty-three".