12011506163 has 8 divisors (see below), whose sum is σ = 12037291200. Its totient is φ = 11985740928.

The previous prime is 12011506159. The next prime is 12011506181. The reversal of 12011506163 is 36160511021.

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

It is a cyclic number.

It is not a de Polignac number, because 12011506163 - 2² = 12011506159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011506183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2054198 + ... + 2060036.

It is an arithmetic number, because the mean of its divisors is an integer number (1504661400).

Almost surely, 2^12011506163 is an apocalyptic number.

12011506163 is a deficient number, since it is larger than the sum of its proper divisors (25785037).

12011506163 is an equidigital number, since it uses as much as digits as its factorization.

12011506163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9901.

The product of its (nonzero) digits is 1080, while the sum is 26.

The spelling of 12011506163 in words is "twelve billion, eleven million, five hundred six thousand, one hundred sixty-three".