11909041 has 4 divisors (see below), whose sum is σ = 11971584. Its totient is φ = 11846500.

The previous prime is 11909039. The next prime is 11909057. The reversal of 11909041 is 14090911.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14090911 = 59 ⋅238829.

It is a cyclic number.

It is not a de Polignac number, because 11909041 - 2¹ = 11909039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11908997 and 11909015.

It is not an unprimeable number, because it can be changed into a prime (11909141) 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, 30985 + ... + 31366.

It is an arithmetic number, because the mean of its divisors is an integer number (2992896).

Almost surely, 2^11909041 is an apocalyptic number.

It is an amenable number.

11909041 is a deficient number, since it is larger than the sum of its proper divisors (62543).

11909041 is an equidigital number, since it uses as much as digits as its factorization.

11909041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62542.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 11909041 is about 3450.9478408113. The cubic root of 11909041 is about 228.3629248711.

Adding to 11909041 its reverse (14090911), we get a palindrome (25999952).

The spelling of 11909041 in words is "eleven million, nine hundred nine thousand, forty-one".