11726460217 has 4 divisors (see below), whose sum is σ = 11925213840. Its totient is φ = 11527706596.

The previous prime is 11726460169. The next prime is 11726460247. The reversal of 11726460217 is 71206462711.

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-11726460217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11726460247) 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, 99376723 + ... + 99376840.

It is an arithmetic number, because the mean of its divisors is an integer number (2981303460).

Almost surely, 2^11726460217 is an apocalyptic number.

It is an amenable number.

11726460217 is a deficient number, since it is larger than the sum of its proper divisors (198753623).

11726460217 is an equidigital number, since it uses as much as digits as its factorization.

11726460217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198753622.

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 11726460217 in words is "eleven billion, seven hundred twenty-six million, four hundred sixty thousand, two hundred seventeen".