266625615611 has 2 divisors, whose sum is σ = 266625615612. Its totient is φ = 266625615610.

The previous prime is 266625615593. The next prime is 266625615617. The reversal of 266625615611 is 116516526662.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266625615611 is a prime.

It is not a weakly prime, because it can be changed into another prime (266625615617) 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, 133312807805 + 133312807806.

It is an arithmetic number, because the mean of its divisors is an integer number (133312807806).

Almost surely, 2^266625615611 is an apocalyptic number.

266625615611 is a deficient number, since it is larger than the sum of its proper divisors (1).

266625615611 is an equidigital number, since it uses as much as digits as its factorization.

266625615611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 47.

The spelling of 266625615611 in words is "two hundred sixty-six billion, six hundred twenty-five million, six hundred fifteen thousand, six hundred eleven".