27066792729551 has 2 divisors, whose sum is σ = 27066792729552. Its totient is φ = 27066792729550.

The previous prime is 27066792729533. The next prime is 27066792729617. The reversal of 27066792729551 is 15592729766072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27066792729551 - 2²⁶ = 27066725620687 is a prime.

It is a super-2 number, since 2×27066792729551² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27066792729521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13533396364775 + 13533396364776.

It is an arithmetic number, because the mean of its divisors is an integer number (13533396364776).

Almost surely, 2^{27066792729551} is an apocalyptic number.

27066792729551 is a deficient number, since it is larger than the sum of its proper divisors (1).

27066792729551 is an equidigital number, since it uses as much as digits as its factorization.

27066792729551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200037600, while the sum is 68.

The spelling of 27066792729551 in words is "twenty-seven trillion, sixty-six billion, seven hundred ninety-two million, seven hundred twenty-nine thousand, five hundred fifty-one".