266012331126053 has 2 divisors, whose sum is σ = 266012331126054. Its totient is φ = 266012331126052.

The previous prime is 266012331126049. The next prime is 266012331126067. The reversal of 266012331126053 is 350621133210662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221894599600129 + 44117731525924 = 14896127^2 + 6642118^2 .

It is a cyclic number.

It is not a de Polignac number, because 266012331126053 - 2² = 266012331126049 is a prime.

It is a super-2 number, since 2×266012331126053² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 266012331126053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266012331426053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133006165563026 + 133006165563027.

It is an arithmetic number, because the mean of its divisors is an integer number (133006165563027).

Almost surely, 2^{266012331126053} is an apocalyptic number.

It is an amenable number.

266012331126053 is a deficient number, since it is larger than the sum of its proper divisors (1).

266012331126053 is an equidigital number, since it uses as much as digits as its factorization.

266012331126053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 266012331126053 in words is "two hundred sixty-six trillion, twelve billion, three hundred thirty-one million, one hundred twenty-six thousand, fifty-three".