266153063201089 has 2 divisors, whose sum is σ = 266153063201090. Its totient is φ = 266153063201088.

The previous prime is 266153063201033. The next prime is 266153063201111. The reversal of 266153063201089 is 980102360351662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 257175746890000 + 8977316311089 = 16036700^2 + 2996217^2 .

It is a cyclic number.

It is not a de Polignac number, because 266153063201089 - 2²⁹ = 266152526330177 is a prime.

It is a super-2 number, since 2×266153063201089² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (266153063205089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133076531600544 + 133076531600545.

It is an arithmetic number, because the mean of its divisors is an integer number (133076531600545).

Almost surely, 2^{266153063201089} is an apocalyptic number.

It is an amenable number.

266153063201089 is a deficient number, since it is larger than the sum of its proper divisors (1).

266153063201089 is an equidigital number, since it uses as much as digits as its factorization.

266153063201089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 266153063201089 in words is "two hundred sixty-six trillion, one hundred fifty-three billion, sixty-three million, two hundred one thousand, eighty-nine".