11013911 has 2 divisors, whose sum is σ = 11013912. Its totient is φ = 11013910.

The previous prime is 11013889. The next prime is 11013913. The reversal of 11013911 is 11931011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11013911 is a prime.

Together with 11013913, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11013911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11013913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506955 + 5506956.

It is an arithmetic number, because the mean of its divisors is an integer number (5506956).

Almost surely, 2^11013911 is an apocalyptic number.

11013911 is a deficient number, since it is larger than the sum of its proper divisors (1).

11013911 is an equidigital number, since it uses as much as digits as its factorization.

11013911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 17.

The square root of 11013911 is about 3318.7212898946. The cubic root of 11013911 is about 222.4917204342.

Adding to 11013911 its reverse (11931011), we get a palindrome (22944922).

The spelling of 11013911 in words is "eleven million, thirteen thousand, nine hundred eleven".