11691159 has 8 divisors (see below), whose sum is σ = 15607152. Its totient is φ = 7784640.

The previous prime is 11691157. The next prime is 11691161. The reversal of 11691159 is 95119611.

11691159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11691157) and next prime (11691161).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11691159 - 2¹ = 11691157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11691157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1347 + ... + 5019.

It is an arithmetic number, because the mean of its divisors is an integer number (1950894).

Almost surely, 2^11691159 is an apocalyptic number.

11691159 is a deficient number, since it is larger than the sum of its proper divisors (3915993).

11691159 is a wasteful number, since it uses less digits than its factorization.

11691159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737.

The product of its digits is 2430, while the sum is 33.

The square root of 11691159 is about 3419.2336860765. The cubic root of 11691159 is about 226.9616720659.

The spelling of 11691159 in words is "eleven million, six hundred ninety-one thousand, one hundred fifty-nine".