11221452417 has 12 divisors (see below), whose sum is σ = 17404701936. Its totient is φ = 6412258440.

The previous prime is 11221452377. The next prime is 11221452419. The reversal of 11221452417 is 71425412211.

It is not a de Polignac number, because 11221452417 - 2⁸ = 11221452161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11221452419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38168059 + ... + 38168352.

It is an arithmetic number, because the mean of its divisors is an integer number (1450391828).

Almost surely, 2^11221452417 is an apocalyptic number.

It is an amenable number.

11221452417 is a deficient number, since it is larger than the sum of its proper divisors (6183249519).

11221452417 is an equidigital number, since it uses as much as digits as its factorization.

11221452417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76336428 (or 76336421 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

Adding to 11221452417 its reverse (71425412211), we get a palindrome (82646864628).

The spelling of 11221452417 in words is "eleven billion, two hundred twenty-one million, four hundred fifty-two thousand, four hundred seventeen".