12371761361 has 4 divisors (see below), whose sum is σ = 12373238592. Its totient is φ = 12370284132.

The previous prime is 12371761351. The next prime is 12371761397. The reversal of 12371761361 is 16316717321.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12371761361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12371761331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725981 + ... + 742826.

It is an arithmetic number, because the mean of its divisors is an integer number (3093309648).

Almost surely, 2^12371761361 is an apocalyptic number.

It is an amenable number.

12371761361 is a deficient number, since it is larger than the sum of its proper divisors (1477231).

12371761361 is an equidigital number, since it uses as much as digits as its factorization.

12371761361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477230.

The product of its digits is 31752, while the sum is 38.

The spelling of 12371761361 in words is "twelve billion, three hundred seventy-one million, seven hundred sixty-one thousand, three hundred sixty-one".