11159791 has 4 divisors (see below), whose sum is σ = 11349000. Its totient is φ = 10970584.

The previous prime is 11159789. The next prime is 11159843. The reversal of 11159791 is 19795111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11159791 - 2¹ = 11159789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11156791) 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 in 3 ways as a sum of consecutive naturals, for example, 94516 + ... + 94633.

It is an arithmetic number, because the mean of its divisors is an integer number (2837250).

Almost surely, 2^11159791 is an apocalyptic number.

11159791 is a deficient number, since it is larger than the sum of its proper divisors (189209).

11159791 is an equidigital number, since it uses as much as digits as its factorization.

11159791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189208.

The product of its digits is 2835, while the sum is 34.

The square root of 11159791 is about 3340.6273362948. The cubic root of 11159791 is about 223.4697211524.

The spelling of 11159791 in words is "eleven million, one hundred fifty-nine thousand, seven hundred ninety-one".