11203312411 has 4 divisors (see below), whose sum is σ = 11285088552. Its totient is φ = 11121536272.

The previous prime is 11203312381. The next prime is 11203312427. The reversal of 11203312411 is 11421330211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11421330211 = 971 ⋅11762441.

It is a cyclic number.

It is not a de Polignac number, because 11203312411 - 2⁷ = 11203312283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11203312711) 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, 40887865 + ... + 40888138.

It is an arithmetic number, because the mean of its divisors is an integer number (2821272138).

Almost surely, 2^11203312411 is an apocalyptic number.

11203312411 is a deficient number, since it is larger than the sum of its proper divisors (81776141).

11203312411 is an equidigital number, since it uses as much as digits as its factorization.

11203312411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81776140.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11203312411 its reverse (11421330211), we get a palindrome (22624642622).

The spelling of 11203312411 in words is "eleven billion, two hundred three million, three hundred twelve thousand, four hundred eleven".