12043411855617 has 4 divisors (see below), whose sum is σ = 16057882474160. Its totient is φ = 8028941237076.

The previous prime is 12043411855583. The next prime is 12043411855649. The reversal of 12043411855617 is 71655811434021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12043411855617 - 2¹⁴ = 12043411839233 is a prime.

It is a super-4 number, since 4×12043411855617⁴ (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12043411855667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2007235309267 + ... + 2007235309272.

It is an arithmetic number, because the mean of its divisors is an integer number (4014470618540).

Almost surely, 2^{12043411855617} is an apocalyptic number.

It is an amenable number.

12043411855617 is a deficient number, since it is larger than the sum of its proper divisors (4014470618543).

12043411855617 is an equidigital number, since it uses as much as digits as its factorization.

12043411855617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014470618542.

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 12043411855617 in words is "twelve trillion, forty-three billion, four hundred eleven million, eight hundred fifty-five thousand, six hundred seventeen".