12089209911 has 8 divisors (see below), whose sum is σ = 16554593904. Its totient is φ = 7841649600.

The previous prime is 12089209907. The next prime is 12089209919. The reversal of 12089209911 is 11990298021.

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

It is not a de Polignac number, because 12089209911 - 2² = 12089209907 is a prime.

It is a super-2 number, since 2×12089209911² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12089209919) 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, 54455790 + ... + 54456011.

It is an arithmetic number, because the mean of its divisors is an integer number (2069324238).

Almost surely, 2^12089209911 is an apocalyptic number.

12089209911 is a deficient number, since it is larger than the sum of its proper divisors (4465383993).

12089209911 is a wasteful number, since it uses less digits than its factorization.

12089209911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108911841.

The product of its (nonzero) digits is 23328, while the sum is 42.

The spelling of 12089209911 in words is "twelve billion, eighty-nine million, two hundred nine thousand, nine hundred eleven".