27500530505 has 48 divisors (see below), whose sum is σ = 40433226240. Its totient is φ = 17584708608.

The previous prime is 27500530489. The next prime is 27500530529. The reversal of 27500530505 is 50503500572.

It is not a de Polignac number, because 27500530505 - 2⁴ = 27500530489 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1090064 + ... + 1115006.

It is an arithmetic number, because the mean of its divisors is an integer number (842358880).

Almost surely, 2^27500530505 is an apocalyptic number.

It is an amenable number.

27500530505 is a deficient number, since it is larger than the sum of its proper divisors (12932695735).

27500530505 is a wasteful number, since it uses less digits than its factorization.

27500530505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25098 (or 25081 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 32.

The spelling of 27500530505 in words is "twenty-seven billion, five hundred million, five hundred thirty thousand, five hundred five".