11208666189 has 8 divisors (see below), whose sum is σ = 17079872320. Its totient is φ = 6404952096.

The previous prime is 11208666179. The next prime is 11208666191. The reversal of 11208666189 is 98166680211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11208666189 - 2¹² = 11208662093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11208666109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266872984 + ... + 266873025.

It is an arithmetic number, because the mean of its divisors is an integer number (2134984040).

Almost surely, 2^11208666189 is an apocalyptic number.

It is an amenable number.

11208666189 is a deficient number, since it is larger than the sum of its proper divisors (5871206131).

11208666189 is an equidigital number, since it uses as much as digits as its factorization.

11208666189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533746019.

The product of its (nonzero) digits is 248832, while the sum is 48.

The spelling of 11208666189 in words is "eleven billion, two hundred eight million, six hundred sixty-six thousand, one hundred eighty-nine".