11203001013 has 4 divisors (see below), whose sum is σ = 14937334688. Its totient is φ = 7468667340.

The previous prime is 11203001009. The next prime is 11203001021. The reversal of 11203001013 is 31010030211.

11203001013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11203001013 - 2² = 11203001009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11203001013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203001053) 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 3 ways as a sum of consecutive naturals, for example, 1867166833 + ... + 1867166838.

It is an arithmetic number, because the mean of its divisors is an integer number (3734333672).

Almost surely, 2^11203001013 is an apocalyptic number.

It is an amenable number.

11203001013 is a deficient number, since it is larger than the sum of its proper divisors (3734333675).

11203001013 is an equidigital number, since it uses as much as digits as its factorization.

11203001013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734333674.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 11203001013 its reverse (31010030211), we get a palindrome (42213031224).

The spelling of 11203001013 in words is "eleven billion, two hundred three million, one thousand, thirteen".