11589091 has 2 divisors, whose sum is σ = 11589092. Its totient is φ = 11589090.

The previous prime is 11589077. The next prime is 11589113. The reversal of 11589091 is 19098511.

11589091 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11589091 is a prime.

It is not a weakly prime, because it can be changed into another prime (11589001) 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, 5794545 + 5794546.

It is an arithmetic number, because the mean of its divisors is an integer number (5794546).

Almost surely, 2^11589091 is an apocalyptic number.

11589091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11589091 is an equidigital number, since it uses as much as digits as its factorization.

11589091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 34.

The square root of 11589091 is about 3404.2754001402. The cubic root of 11589091 is about 226.2992550700.

The spelling of 11589091 in words is "eleven million, five hundred eighty-nine thousand, ninety-one".