11532305203 has 4 divisors (see below), whose sum is σ = 11534668920. Its totient is φ = 11529941488.

The previous prime is 11532305177. The next prime is 11532305221. The reversal of 11532305203 is 30250323511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11532305203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11532305233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1174525 + ... + 1184302.

It is an arithmetic number, because the mean of its divisors is an integer number (2883667230).

Almost surely, 2^11532305203 is an apocalyptic number.

11532305203 is a deficient number, since it is larger than the sum of its proper divisors (2363717).

11532305203 is an equidigital number, since it uses as much as digits as its factorization.

11532305203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363716.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 11532305203 its reverse (30250323511), we get a palindrome (41782628714).

The spelling of 11532305203 in words is "eleven billion, five hundred thirty-two million, three hundred five thousand, two hundred three".