11203202311 has 8 divisors (see below), whose sum is σ = 12820991360. Its totient is φ = 9589746168.

The previous prime is 11203202293. The next prime is 11203202321. The reversal of 11203202311 is 11320230211.

11203202311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11203202311 - 2¹⁵ = 11203169543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203202321) 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 7 ways as a sum of consecutive naturals, for example, 1077681 + ... + 1088026.

It is an arithmetic number, because the mean of its divisors is an integer number (1602623920).

Almost surely, 2^11203202311 is an apocalyptic number.

11203202311 is a deficient number, since it is larger than the sum of its proper divisors (1617789049).

11203202311 is an equidigital number, since it uses as much as digits as its factorization.

11203202311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166453.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11203202311 its reverse (11320230211), we get a palindrome (22523432522).

The spelling of 11203202311 in words is "eleven billion, two hundred three million, two hundred two thousand, three hundred eleven".