266111030430103 has 2 divisors, whose sum is σ = 266111030430104. Its totient is φ = 266111030430102.

The previous prime is 266111030429987. The next prime is 266111030430197. The reversal of 266111030430103 is 301034030111662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 266111030430103 - 2³³ = 266102440495511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266111030433103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133055515215051 + 133055515215052.

It is an arithmetic number, because the mean of its divisors is an integer number (133055515215052).

Almost surely, 2^{266111030430103} is an apocalyptic number.

266111030430103 is a deficient number, since it is larger than the sum of its proper divisors (1).

266111030430103 is an equidigital number, since it uses as much as digits as its factorization.

266111030430103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 266111030430103 its reverse (301034030111662), we get a palindrome (567145060541765).

The spelling of 266111030430103 in words is "two hundred sixty-six trillion, one hundred eleven billion, thirty million, four hundred thirty thousand, one hundred three".