27525275005 has 4 divisors (see below), whose sum is σ = 33030330012. Its totient is φ = 22020220000.

The previous prime is 27525274999. The next prime is 27525275009. The reversal of 27525275005 is 50057252572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8759836836 + 18765438169 = 93594^2 + 136987^2 .

It is not a de Polignac number, because 27525275005 - 2⁹ = 27525274493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27525275009) 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 3 ways as a sum of consecutive naturals, for example, 2752527496 + ... + 2752527505.

It is an arithmetic number, because the mean of its divisors is an integer number (8257582503).

Almost surely, 2^27525275005 is an apocalyptic number.

It is an amenable number.

27525275005 is a deficient number, since it is larger than the sum of its proper divisors (5505055007).

27525275005 is an equidigital number, since it uses as much as digits as its factorization.

27525275005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505055006.

The product of its (nonzero) digits is 245000, while the sum is 40.

The spelling of 27525275005 in words is "twenty-seven billion, five hundred twenty-five million, two hundred seventy-five thousand, five".