11840911 has 2 divisors, whose sum is σ = 11840912. Its totient is φ = 11840910.

The previous prime is 11840861. The next prime is 11840951. The reversal of 11840911 is 11904811.

11840911 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11840911 - 2¹⁹ = 11316623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11840951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5920455 + 5920456.

It is an arithmetic number, because the mean of its divisors is an integer number (5920456).

Almost surely, 2^11840911 is an apocalyptic number.

11840911 is a deficient number, since it is larger than the sum of its proper divisors (1).

11840911 is an equidigital number, since it uses as much as digits as its factorization.

11840911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 25.

The square root of 11840911 is about 3441.0624812694. The cubic root of 11840911 is about 227.9266140653.

The spelling of 11840911 in words is "eleven million, eight hundred forty thousand, nine hundred eleven".