11180591 has 2 divisors, whose sum is σ = 11180592. Its totient is φ = 11180590.

The previous prime is 11180581. The next prime is 11180593. The reversal of 11180591 is 19508111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11180591 - 2¹⁴ = 11164207 is a prime.

Together with 11180593, 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 11180591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11180593) 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, 5590295 + 5590296.

It is an arithmetic number, because the mean of its divisors is an integer number (5590296).

Almost surely, 2^11180591 is an apocalyptic number.

11180591 is a deficient number, since it is larger than the sum of its proper divisors (1).

11180591 is an equidigital number, since it uses as much as digits as its factorization.

11180591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 26.

The square root of 11180591 is about 3343.7390747485. The cubic root of 11180591 is about 223.6084718208.

The spelling of 11180591 in words is "eleven million, one hundred eighty thousand, five hundred ninety-one".