13305345543 has 48 divisors (see below), whose sum is σ = 22817313792. Its totient is φ = 7313040000.

The previous prime is 13305345533. The next prime is 13305345569. The reversal of 13305345543 is 34554350331.

13305345543 is a `hidden beast` number, since 1 + 3 + 30 + 534 + 55 + 43 = 666.

13305345543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13305345543 - 2²⁵ = 13271791111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13305345498 and 13305345507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13305345503) 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 47 ways as a sum of consecutive naturals, for example, 147118 + ... + 219668.

It is an arithmetic number, because the mean of its divisors is an integer number (475360704).

Almost surely, 2^13305345543 is an apocalyptic number.

13305345543 is a deficient number, since it is larger than the sum of its proper divisors (9511968249).

13305345543 is a wasteful number, since it uses less digits than its factorization.

13305345543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72676 (or 72673 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

Adding to 13305345543 its reverse (34554350331), we get a palindrome (47859695874).

The spelling of 13305345543 in words is "thirteen billion, three hundred five million, three hundred forty-five thousand, five hundred forty-three".