27240123664133 has 2 divisors, whose sum is σ = 27240123664134. Its totient is φ = 27240123664132.

The previous prime is 27240123664067. The next prime is 27240123664183. The reversal of 27240123664133 is 33146632104272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26999590308769 + 240533355364 = 5196113^2 + 490442^2 .

It is a cyclic number.

It is not a de Polignac number, because 27240123664133 - 2¹⁴ = 27240123647749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27240123664183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13620061832066 + 13620061832067.

It is an arithmetic number, because the mean of its divisors is an integer number (13620061832067).

Almost surely, 2^{27240123664133} is an apocalyptic number.

It is an amenable number.

27240123664133 is a deficient number, since it is larger than the sum of its proper divisors (1).

27240123664133 is an equidigital number, since it uses as much as digits as its factorization.

27240123664133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 44.

The spelling of 27240123664133 in words is "twenty-seven trillion, two hundred forty billion, one hundred twenty-three million, six hundred sixty-four thousand, one hundred thirty-three".