11909411 has 2 divisors, whose sum is σ = 11909412. Its totient is φ = 11909410.

The previous prime is 11909399. The next prime is 11909413. The reversal of 11909411 is 11490911.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11909411 is a prime.

Together with 11909413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11909413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5954705 + 5954706.

It is an arithmetic number, because the mean of its divisors is an integer number (5954706).

Almost surely, 2^11909411 is an apocalyptic number.

11909411 is a deficient number, since it is larger than the sum of its proper divisors (1).

11909411 is an equidigital number, since it uses as much as digits as its factorization.

11909411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 11909411 is about 3451.0014488551. The cubic root of 11909411 is about 228.3652898365.

It can be divided in two parts, 1190 and 9411, that added together give a palindrome (10601).

The spelling of 11909411 in words is "eleven million, nine hundred nine thousand, four hundred eleven".