266111034650453 has 2 divisors, whose sum is σ = 266111034650454. Its totient is φ = 266111034650452.

The previous prime is 266111034650399. The next prime is 266111034650521. The reversal of 266111034650453 is 354056430111662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 260255684883364 + 5855349767089 = 16132442^2 + 2419783^2 .

It is a cyclic number.

It is not a de Polignac number, because 266111034650453 - 2³⁴ = 266093854781269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266111034650398 and 266111034650407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266111034650053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133055517325226 + 133055517325227.

It is an arithmetic number, because the mean of its divisors is an integer number (133055517325227).

Almost surely, 2^{266111034650453} is an apocalyptic number.

It is an amenable number.

266111034650453 is a deficient number, since it is larger than the sum of its proper divisors (1).

266111034650453 is an equidigital number, since it uses as much as digits as its factorization.

266111034650453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 266111034650453 in words is "two hundred sixty-six trillion, one hundred eleven billion, thirty-four million, six hundred fifty thousand, four hundred fifty-three".