27555275050025 has 12 divisors (see below), whose sum is σ = 34168932978012. Its totient is φ = 22043967191040.

The previous prime is 27555275049989. The next prime is 27555275050063. The reversal of 27555275050025 is 52005057255572.

It can be written as a sum of positive squares in 6 ways, for example, as 11135695806361 + 16419579243664 = 3337019^2 + 4052108^2 .

It is not a de Polignac number, because 27555275050025 - 2⁸ = 27555275049769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4082504 + ... + 8472153.

It is an arithmetic number, because the mean of its divisors is an integer number (2847411081501).

Almost surely, 2^{27555275050025} is an apocalyptic number.

27555275050025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27555275050025 is a deficient number, since it is larger than the sum of its proper divisors (6613657927987).

27555275050025 is a wasteful number, since it uses less digits than its factorization.

27555275050025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12642460 (or 12642455 counting only the distinct ones).

The product of its (nonzero) digits is 6125000, while the sum is 50.

The spelling of 27555275050025 in words is "twenty-seven trillion, five hundred fifty-five billion, two hundred seventy-five million, fifty thousand, twenty-five".