11813716259 has 4 divisors (see below), whose sum is σ = 11814091704. Its totient is φ = 11813340816.

The previous prime is 11813716253. The next prime is 11813716289. The reversal of 11813716259 is 95261731811.

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 11813716259 - 2²⁰ = 11812667683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11813716253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135722 + ... + 205055.

It is an arithmetic number, because the mean of its divisors is an integer number (2953522926).

Almost surely, 2^11813716259 is an apocalyptic number.

11813716259 is a deficient number, since it is larger than the sum of its proper divisors (375445).

11813716259 is an equidigital number, since it uses as much as digits as its factorization.

11813716259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375444.

The product of its digits is 90720, while the sum is 44.

The spelling of 11813716259 in words is "eleven billion, eight hundred thirteen million, seven hundred sixteen thousand, two hundred fifty-nine".