11245201217 has 2 divisors, whose sum is σ = 11245201218. Its totient is φ = 11245201216.

The previous prime is 11245201213. The next prime is 11245201321. The reversal of 11245201217 is 71210254211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10962927616 + 282273601 = 104704^2 + 16801^2 .

It is a cyclic number.

It is not a de Polignac number, because 11245201217 - 2² = 11245201213 is a prime.

It is not a weakly prime, because it can be changed into another prime (11245201213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5622600608 + 5622600609.

It is an arithmetic number, because the mean of its divisors is an integer number (5622600609).

Almost surely, 2^11245201217 is an apocalyptic number.

It is an amenable number.

11245201217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11245201217 is an equidigital number, since it uses as much as digits as its factorization.

11245201217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 26.

Adding to 11245201217 its reverse (71210254211), we get a palindrome (82455455428).

The spelling of 11245201217 in words is "eleven billion, two hundred forty-five million, two hundred one thousand, two hundred seventeen".