266541252223 has 2 divisors, whose sum is σ = 266541252224. Its totient is φ = 266541252222.

The previous prime is 266541252209. The next prime is 266541252293. The reversal of 266541252223 is 322252145662.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266541252223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266541252203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133270626111 + 133270626112.

It is an arithmetic number, because the mean of its divisors is an integer number (133270626112).

Almost surely, 2^266541252223 is an apocalyptic number.

266541252223 is a deficient number, since it is larger than the sum of its proper divisors (1).

266541252223 is an equidigital number, since it uses as much as digits as its factorization.

266541252223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 40.

Adding to 266541252223 its reverse (322252145662), we get a palindrome (588793397885).

The spelling of 266541252223 in words is "two hundred sixty-six billion, five hundred forty-one million, two hundred fifty-two thousand, two hundred twenty-three".