11412444217 has 2 divisors, whose sum is σ = 11412444218. Its totient is φ = 11412444216.

The previous prime is 11412444209. The next prime is 11412444227. The reversal of 11412444217 is 71244421411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10826610601 + 585833616 = 104051^2 + 24204^2 .

It is a cyclic number.

It is not a de Polignac number, because 11412444217 - 2³ = 11412444209 is a prime.

It is a super-2 number, since 2×11412444217² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11412444227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5706222108 + 5706222109.

It is an arithmetic number, because the mean of its divisors is an integer number (5706222109).

Almost surely, 2^11412444217 is an apocalyptic number.

It is an amenable number.

11412444217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11412444217 is an equidigital number, since it uses as much as digits as its factorization.

11412444217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7168, while the sum is 31.

Adding to 11412444217 its reverse (71244421411), we get a palindrome (82656865628).

The spelling of 11412444217 in words is "eleven billion, four hundred twelve million, four hundred forty-four thousand, two hundred seventeen".