12156175165 has 16 divisors (see below), whose sum is σ = 15414336000. Its totient is φ = 9184361472.

The previous prime is 12156175139. The next prime is 12156175169. The reversal of 12156175165 is 56157165121.

It is not a de Polignac number, because 12156175165 - 2¹⁷ = 12156044093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12156175169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 659940 + ... + 678109.

It is an arithmetic number, because the mean of its divisors is an integer number (963396000).

Almost surely, 2^12156175165 is an apocalyptic number.

It is an amenable number.

12156175165 is a deficient number, since it is larger than the sum of its proper divisors (3258160835).

12156175165 is a wasteful number, since it uses less digits than its factorization.

12156175165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338156.

The product of its digits is 63000, while the sum is 40.

The spelling of 12156175165 in words is "twelve billion, one hundred fifty-six million, one hundred seventy-five thousand, one hundred sixty-five".