27505052775253 has 4 divisors (see below), whose sum is σ = 27573643929708. Its totient is φ = 27436461620800.

The previous prime is 27505052775223. The next prime is 27505052775259. The reversal of 27505052775253 is 35257725050572.

It is a happy number.

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 26899647401169 + 605405374084 = 5186487^2 + 778078^2 .

It is a cyclic number.

It is not a de Polignac number, because 27505052775253 - 2¹³ = 27505052767061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27505052775194 and 27505052775203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27505052775259) 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, 34295576626 + ... + 34295577427.

It is an arithmetic number, because the mean of its divisors is an integer number (6893410982427).

Almost surely, 2^{27505052775253} is an apocalyptic number.

It is an amenable number.

27505052775253 is a deficient number, since it is larger than the sum of its proper divisors (68591154455).

27505052775253 is an equidigital number, since it uses as much as digits as its factorization.

27505052775253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68591154454.

The product of its (nonzero) digits is 25725000, while the sum is 55.

The spelling of 27505052775253 in words is "twenty-seven trillion, five hundred five billion, fifty-two million, seven hundred seventy-five thousand, two hundred fifty-three".