13530455203 has 16 divisors (see below), whose sum is σ = 14277793536. Its totient is φ = 12796722400.

The previous prime is 13530455143. The next prime is 13530455221. The reversal of 13530455203 is 30255403531.

It is a cyclic number.

It is not a de Polignac number, because 13530455203 - 2²⁹ = 12993584291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13530450203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1917600 + ... + 1924642.

It is an arithmetic number, because the mean of its divisors is an integer number (892362096).

Almost surely, 2^13530455203 is an apocalyptic number.

13530455203 is a deficient number, since it is larger than the sum of its proper divisors (747338333).

13530455203 is a wasteful number, since it uses less digits than its factorization.

13530455203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7994.

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 13530455203 its reverse (30255403531), we get a palindrome (43785858734).

The spelling of 13530455203 in words is "thirteen billion, five hundred thirty million, four hundred fifty-five thousand, two hundred three".