27751530250009 has 2 divisors, whose sum is σ = 27751530250010. Its totient is φ = 27751530250008.

The previous prime is 27751530250001. The next prime is 27751530250021. The reversal of 27751530250009 is 90005203515772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26501543641225 + 1249986608784 = 5147965^2 + 1118028^2 .

It is a cyclic number.

It is not a de Polignac number, because 27751530250009 - 2³ = 27751530250001 is a prime.

It is not a weakly prime, because it can be changed into another prime (27751530250001) 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, 13875765125004 + 13875765125005.

It is an arithmetic number, because the mean of its divisors is an integer number (13875765125005).

Almost surely, 2^{27751530250009} is an apocalyptic number.

It is an amenable number.

27751530250009 is a deficient number, since it is larger than the sum of its proper divisors (1).

27751530250009 is an equidigital number, since it uses as much as digits as its factorization.

27751530250009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 661500, while the sum is 46.

The spelling of 27751530250009 in words is "twenty-seven trillion, seven hundred fifty-one billion, five hundred thirty million, two hundred fifty thousand, nine".