11938585859 has 4 divisors (see below), whose sum is σ = 11939606616. Its totient is φ = 11937565104.

The previous prime is 11938585849. The next prime is 11938585909. The reversal of 11938585859 is 95858583911.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11938585859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11938585829) 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, 492629 + ... + 516294.

It is an arithmetic number, because the mean of its divisors is an integer number (2984901654).

Almost surely, 2^11938585859 is an apocalyptic number.

11938585859 is a deficient number, since it is larger than the sum of its proper divisors (1020757).

11938585859 is a wasteful number, since it uses less digits than its factorization.

11938585859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020756.

The product of its digits is 15552000, while the sum is 62.

The spelling of 11938585859 in words is "eleven billion, nine hundred thirty-eight million, five hundred eighty-five thousand, eight hundred fifty-nine".