11722004617 has 4 divisors (see below), whose sum is σ = 11729826000. Its totient is φ = 11714183236.

The previous prime is 11722004599. The next prime is 11722004629. The reversal of 11722004617 is 71640022711.

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-11722004617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11722004677) 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, 3908443 + ... + 3911440.

It is an arithmetic number, because the mean of its divisors is an integer number (2932456500).

Almost surely, 2^11722004617 is an apocalyptic number.

It is an amenable number.

11722004617 is a deficient number, since it is larger than the sum of its proper divisors (7821383).

11722004617 is an equidigital number, since it uses as much as digits as its factorization.

11722004617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7821382.

The product of its (nonzero) digits is 4704, while the sum is 31.

The spelling of 11722004617 in words is "eleven billion, seven hundred twenty-two million, four thousand, six hundred seventeen".