11654422217 has 8 divisors (see below), whose sum is σ = 12274400160. Its totient is φ = 11035103040.

The previous prime is 11654422177. The next prime is 11654422291. The reversal of 11654422217 is 71222445611.

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

It is a cyclic number.

It is not a de Polignac number, because 11654422217 - 2¹⁸ = 11654160073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11654422517) 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, 128159 + ... + 199332.

It is an arithmetic number, because the mean of its divisors is an integer number (1534300020).

Almost surely, 2^11654422217 is an apocalyptic number.

It is an amenable number.

11654422217 is a deficient number, since it is larger than the sum of its proper divisors (619977943).

11654422217 is a wasteful number, since it uses less digits than its factorization.

11654422217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329383.

The product of its digits is 26880, while the sum is 35.

Adding to 11654422217 its reverse (71222445611), we get a palindrome (82876867828).

The spelling of 11654422217 in words is "eleven billion, six hundred fifty-four million, four hundred twenty-two thousand, two hundred seventeen".