11591119 has 4 divisors (see below), whose sum is σ = 11597944. Its totient is φ = 11584296.

The previous prime is 11591113. The next prime is 11591131. The reversal of 11591119 is 91119511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11591119 - 2¹³ = 11582927 is a prime.

It is a super-2 number, since 2×11591119² = 268708079344322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11591113) 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, 1369 + ... + 5005.

It is an arithmetic number, because the mean of its divisors is an integer number (2899486).

Almost surely, 2^11591119 is an apocalyptic number.

11591119 is a deficient number, since it is larger than the sum of its proper divisors (6825).

11591119 is an equidigital number, since it uses as much as digits as its factorization.

11591119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6824.

The product of its digits is 405, while the sum is 28.

The square root of 11591119 is about 3404.5732478535. The cubic root of 11591119 is about 226.3124544981.

It can be divided in two parts, 1159 and 1119, that multiplied together give a palindrome (1296921).

The spelling of 11591119 in words is "eleven million, five hundred ninety-one thousand, one hundred nineteen".