27505522241 has 12 divisors (see below), whose sum is σ = 29180954880. Its totient is φ = 25898795280.

The previous prime is 27505522217. The next prime is 27505522267. The reversal of 27505522241 is 14222550572.

It is not a de Polignac number, because 27505522241 - 2¹⁰ = 27505521217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27505582241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281621 + ... + 366498.

It is an arithmetic number, because the mean of its divisors is an integer number (2431746240).

Almost surely, 2^27505522241 is an apocalyptic number.

It is an amenable number.

27505522241 is a deficient number, since it is larger than the sum of its proper divisors (1675432639).

27505522241 is an equidigital number, since it uses as much as digits as its factorization.

27505522241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648224 (or 648187 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 35.

The spelling of 27505522241 in words is "twenty-seven billion, five hundred five million, five hundred twenty-two thousand, two hundred forty-one".