266231054651459 has 2 divisors, whose sum is σ = 266231054651460. Its totient is φ = 266231054651458.

The previous prime is 266231054651417. The next prime is 266231054651467. The reversal of 266231054651459 is 954156450132662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 266231054651459 - 2⁸ = 266231054651203 is a prime.

It is a super-4 number, since 4×266231054651459⁴ (a number of 59 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 266231054651398 and 266231054651407.

It is not a weakly prime, because it can be changed into another prime (266231054651059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133115527325729 + 133115527325730.

It is an arithmetic number, because the mean of its divisors is an integer number (133115527325730).

Almost surely, 2^{266231054651459} is an apocalyptic number.

266231054651459 is a deficient number, since it is larger than the sum of its proper divisors (1).

266231054651459 is an equidigital number, since it uses as much as digits as its factorization.

266231054651459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656000, while the sum is 59.

The spelling of 266231054651459 in words is "two hundred sixty-six trillion, two hundred thirty-one billion, fifty-four million, six hundred fifty-one thousand, four hundred fifty-nine".