11759911 has 4 divisors (see below), whose sum is σ = 11767552. Its totient is φ = 11752272.

The previous prime is 11759897. The next prime is 11759921. The reversal of 11759911 is 11995711.

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 11759911 - 2⁹ = 11759399 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 (11759921) 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, 615 + ... + 4888.

It is an arithmetic number, because the mean of its divisors is an integer number (2941888).

Almost surely, 2^11759911 is an apocalyptic number.

11759911 is a deficient number, since it is larger than the sum of its proper divisors (7641).

11759911 is an equidigital number, since it uses as much as digits as its factorization.

11759911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7640.

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

The square root of 11759911 is about 3429.2726634084. The cubic root of 11759911 is about 227.4056993544.

The spelling of 11759911 in words is "eleven million, seven hundred fifty-nine thousand, nine hundred eleven".