15200112223217 has 2 divisors, whose sum is σ = 15200112223218. Its totient is φ = 15200112223216.

The previous prime is 15200112223213. The next prime is 15200112223223. The reversal of 15200112223217 is 71232221100251.

15200112223217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11823426667441 + 3376685555776 = 3438521^2 + 1837576^2 .

It is an emirp because it is prime and its reverse (71232221100251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15200112223217 - 2² = 15200112223213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15200112223217.

It is not a weakly prime, because it can be changed into another prime (15200112223211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7600056111608 + 7600056111609.

It is an arithmetic number, because the mean of its divisors is an integer number (7600056111609).

Almost surely, 2^{15200112223217} is an apocalyptic number.

It is an amenable number.

15200112223217 is a deficient number, since it is larger than the sum of its proper divisors (1).

15200112223217 is an equidigital number, since it uses as much as digits as its factorization.

15200112223217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

Adding to 15200112223217 its reverse (71232221100251), we get a palindrome (86432333323468).

The spelling of 15200112223217 in words is "fifteen trillion, two hundred billion, one hundred twelve million, two hundred twenty-three thousand, two hundred seventeen".