11436441217 has 2 divisors, whose sum is σ = 11436441218. Its totient is φ = 11436441216.

The previous prime is 11436441169. The next prime is 11436441277. The reversal of 11436441217 is 71214463411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10543387761 + 893053456 = 102681^2 + 29884^2 .

It is a cyclic number.

It is not a de Polignac number, because 11436441217 - 2²³ = 11428052609 is a prime.

It is not a weakly prime, because it can be changed into another prime (11436441277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5718220608 + 5718220609.

It is an arithmetic number, because the mean of its divisors is an integer number (5718220609).

Almost surely, 2^11436441217 is an apocalyptic number.

It is an amenable number.

11436441217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11436441217 is an equidigital number, since it uses as much as digits as its factorization.

11436441217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The spelling of 11436441217 in words is "eleven billion, four hundred thirty-six million, four hundred forty-one thousand, two hundred seventeen".