11200505297 has 2 divisors, whose sum is σ = 11200505298. Its totient is φ = 11200505296.

The previous prime is 11200505287. The next prime is 11200505311. The reversal of 11200505297 is 79250500211.

It is a happy number.

11200505297 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., 11114219776 + 86285521 = 105424^2 + 9289^2 .

It is an emirp because it is prime and its reverse (79250500211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11200505297 is a prime.

It is not a weakly prime, because it can be changed into another prime (11200505227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600252648 + 5600252649.

It is an arithmetic number, because the mean of its divisors is an integer number (5600252649).

Almost surely, 2^11200505297 is an apocalyptic number.

It is an amenable number.

11200505297 is a deficient number, since it is larger than the sum of its proper divisors (1).

11200505297 is an equidigital number, since it uses as much as digits as its factorization.

11200505297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 32.

The spelling of 11200505297 in words is "eleven billion, two hundred million, five hundred five thousand, two hundred ninety-seven".