266012525215433 has 2 divisors, whose sum is σ = 266012525215434. Its totient is φ = 266012525215432.

The previous prime is 266012525215429. The next prime is 266012525215483. The reversal of 266012525215433 is 334512525210662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264510312195529 + 1502213019904 = 16263773^2 + 1225648^2 .

It is a cyclic number.

It is not a de Polignac number, because 266012525215433 - 2² = 266012525215429 is a prime.

It is a super-2 number, since 2×266012525215433² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (266012525215403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133006262607716 + 133006262607717.

It is an arithmetic number, because the mean of its divisors is an integer number (133006262607717).

Almost surely, 2^{266012525215433} is an apocalyptic number.

It is an amenable number.

266012525215433 is a deficient number, since it is larger than the sum of its proper divisors (1).

266012525215433 is an equidigital number, since it uses as much as digits as its factorization.

266012525215433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 266012525215433 in words is "two hundred sixty-six trillion, twelve billion, five hundred twenty-five million, two hundred fifteen thousand, four hundred thirty-three".