12161068011 has 6 divisors (see below), whose sum is σ = 17565987140. Its totient is φ = 8107378668.

The previous prime is 12161067991. The next prime is 12161068013. The reversal of 12161068011 is 11086016121.

It is a de Polignac number, because none of the positive numbers 2^k-12161068011 is a prime.

It is a super-2 number, since 2×12161068011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12161068013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 675614881 + ... + 675614898.

Almost surely, 2^12161068011 is an apocalyptic number.

12161068011 is a deficient number, since it is larger than the sum of its proper divisors (5404919129).

12161068011 is a wasteful number, since it uses less digits than its factorization.

12161068011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351229785 (or 1351229782 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The spelling of 12161068011 in words is "twelve billion, one hundred sixty-one million, sixty-eight thousand, eleven".