27091724575441 has 2 divisors, whose sum is σ = 27091724575442. Its totient is φ = 27091724575440.

The previous prime is 27091724575439. The next prime is 27091724575537. The reversal of 27091724575441 is 14457542719072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18090050497600 + 9001674077841 = 4253240^2 + 3000279^2 .

It is a cyclic number.

It is not a de Polignac number, because 27091724575441 - 2¹ = 27091724575439 is a prime.

Together with 27091724575439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (27091724575141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13545862287720 + 13545862287721.

It is an arithmetic number, because the mean of its divisors is an integer number (13545862287721).

Almost surely, 2^{27091724575441} is an apocalyptic number.

It is an amenable number.

27091724575441 is a deficient number, since it is larger than the sum of its proper divisors (1).

27091724575441 is an equidigital number, since it uses as much as digits as its factorization.

27091724575441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19756800, while the sum is 58.

The spelling of 27091724575441 in words is "twenty-seven trillion, ninety-one billion, seven hundred twenty-four million, five hundred seventy-five thousand, four hundred forty-one".