11203232013 has 8 divisors (see below), whose sum is σ = 16597380800. Its totient is φ = 7468821324.

The previous prime is 11203232009. The next prime is 11203232023. The reversal of 11203232013 is 31023230211.

It is not a de Polignac number, because 11203232013 - 2² = 11203232009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203232023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207467233 + ... + 207467286.

It is an arithmetic number, because the mean of its divisors is an integer number (2074672600).

Almost surely, 2^11203232013 is an apocalyptic number.

It is an amenable number.

11203232013 is a deficient number, since it is larger than the sum of its proper divisors (5394148787).

11203232013 is an equidigital number, since it uses as much as digits as its factorization.

11203232013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414934528 (or 414934522 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11203232013 its reverse (31023230211), we get a palindrome (42226462224).

The spelling of 11203232013 in words is "eleven billion, two hundred three million, two hundred thirty-two thousand, thirteen".