11808114627809 has 4 divisors (see below), whose sum is σ = 11815929397440. Its totient is φ = 11800299858180.

The previous prime is 11808114627797. The next prime is 11808114627823. The reversal of 11808114627809 is 90872641180811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11808114627809 - 2⁸ = 11808114627553 is a prime.

It is a super-2 number, since 2×11808114627809² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11808114627839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3907382549 + ... + 3907385570.

It is an arithmetic number, because the mean of its divisors is an integer number (2953982349360).

Almost surely, 2^{11808114627809} is an apocalyptic number.

It is an amenable number.

11808114627809 is a deficient number, since it is larger than the sum of its proper divisors (7814769631).

11808114627809 is an equidigital number, since it uses as much as digits as its factorization.

11808114627809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7814769630.

The product of its (nonzero) digits is 1548288, while the sum is 56.

The spelling of 11808114627809 in words is "eleven trillion, eight hundred eight billion, one hundred fourteen million, six hundred twenty-seven thousand, eight hundred nine".