12165642342411 has 8 divisors (see below), whose sum is σ = 16780196334480. Its totient is φ = 7830758289312.

The previous prime is 12165642342349. The next prime is 12165642342547. The reversal of 12165642342411 is 11424324656121.

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

It is not a de Polignac number, because 12165642342411 - 2¹¹ = 12165642340363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12165642342211) 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, 69917484640 + ... + 69917484813.

It is an arithmetic number, because the mean of its divisors is an integer number (2097524541810).

Almost surely, 2^{12165642342411} is an apocalyptic number.

12165642342411 is a deficient number, since it is larger than the sum of its proper divisors (4614553992069).

12165642342411 is a wasteful number, since it uses less digits than its factorization.

12165642342411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139834969485.

The product of its digits is 276480, while the sum is 42.

Adding to 12165642342411 its reverse (11424324656121), we get a palindrome (23589966998532).

The spelling of 12165642342411 in words is "twelve trillion, one hundred sixty-five billion, six hundred forty-two million, three hundred forty-two thousand, four hundred eleven".