11838859859 has 2 divisors, whose sum is σ = 11838859860. Its totient is φ = 11838859858.

The previous prime is 11838859849. The next prime is 11838859871. The reversal of 11838859859 is 95895883811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11838859859 - 2²⁰ = 11837811283 is a prime.

It is a super-2 number, since 2×11838859859² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11838859795 and 11838859804.

It is not a weakly prime, because it can be changed into another prime (11838859829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5919429929 + 5919429930.

It is an arithmetic number, because the mean of its divisors is an integer number (5919429930).

Almost surely, 2^11838859859 is an apocalyptic number.

11838859859 is a deficient number, since it is larger than the sum of its proper divisors (1).

11838859859 is an equidigital number, since it uses as much as digits as its factorization.

11838859859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24883200, while the sum is 65.

The spelling of 11838859859 in words is "eleven billion, eight hundred thirty-eight million, eight hundred fifty-nine thousand, eight hundred fifty-nine".