11791959 has 4 divisors (see below), whose sum is σ = 15722616. Its totient is φ = 7861304.

The previous prime is 11791957. The next prime is 11791961. The reversal of 11791959 is 95919711.

It is a happy number.

11791959 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (11791957) and next prime (11791961).

It is a cyclic number.

It is not a de Polignac number, because 11791959 - 2¹ = 11791957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11791959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11791957) 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, 1965324 + ... + 1965329.

It is an arithmetic number, because the mean of its divisors is an integer number (3930654).

Almost surely, 2^11791959 is an apocalyptic number.

11791959 is a deficient number, since it is larger than the sum of its proper divisors (3930657).

11791959 is an equidigital number, since it uses as much as digits as its factorization.

11791959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930656.

The product of its digits is 25515, while the sum is 42.

The square root of 11791959 is about 3433.9421952036. The cubic root of 11791959 is about 227.6120866180.

The spelling of 11791959 in words is "eleven million, seven hundred ninety-one thousand, nine hundred fifty-nine".