27525005505049 has 4 divisors (see below), whose sum is σ = 29642313620836. Its totient is φ = 25407697389264.

The previous prime is 27525005504951. The next prime is 27525005505077. The reversal of 27525005505049 is 94050550052572.

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 5209774295049 + 22315231210000 = 2282493^2 + 4723900^2 .

It is a cyclic number.

It is not a de Polignac number, because 27525005505049 - 2¹⁹ = 27525004980761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27525005504993 and 27525005505011.

It is not an unprimeable number, because it can be changed into a prime (27525005505649) 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, 1058654057874 + ... + 1058654057899.

It is an arithmetic number, because the mean of its divisors is an integer number (7410578405209).

Almost surely, 2^{27525005505049} is an apocalyptic number.

It is an amenable number.

27525005505049 is a deficient number, since it is larger than the sum of its proper divisors (2117308115787).

27525005505049 is a wasteful number, since it uses less digits than its factorization.

27525005505049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117308115786.

The product of its (nonzero) digits is 3150000, while the sum is 49.

The spelling of 27525005505049 in words is "twenty-seven trillion, five hundred twenty-five billion, five million, five hundred five thousand, forty-nine".