188808008911 has 2 divisors, whose sum is σ = 188808008912. Its totient is φ = 188808008910.

The previous prime is 188808008899. The next prime is 188808008959. The reversal of 188808008911 is 119800808881.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 188808008911 - 2⁷ = 188808008783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (188808000911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94404004455 + 94404004456.

It is an arithmetic number, because the mean of its divisors is an integer number (94404004456).

Almost surely, 2^188808008911 is an apocalyptic number.

188808008911 is a deficient number, since it is larger than the sum of its proper divisors (1).

188808008911 is an equidigital number, since it uses as much as digits as its factorization.

188808008911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294912, while the sum is 52.

The spelling of 188808008911 in words is "one hundred eighty-eight billion, eight hundred eight million, eight thousand, nine hundred eleven".