11683888889 has 2 divisors, whose sum is σ = 11683888890. Its totient is φ = 11683888888.

The previous prime is 11683888883. The next prime is 11683888901. The reversal of 11683888889 is 98888838611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9895275625 + 1788613264 = 99475^2 + 42292^2 .

It is a cyclic number.

It is not a de Polignac number, because 11683888889 - 2⁴ = 11683888873 is a prime.

It is not a weakly prime, because it can be changed into another prime (11683888883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5841944444 + 5841944445.

It is an arithmetic number, because the mean of its divisors is an integer number (5841944445).

Almost surely, 2^11683888889 is an apocalyptic number.

It is an amenable number.

11683888889 is a deficient number, since it is larger than the sum of its proper divisors (1).

11683888889 is an equidigital number, since it uses as much as digits as its factorization.

11683888889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42467328, while the sum is 68.

The spelling of 11683888889 in words is "eleven billion, six hundred eighty-three million, eight hundred eighty-eight thousand, eight hundred eighty-nine".