27525000505 has 8 divisors (see below), whose sum is σ = 33032103624. Its totient is φ = 22018598400.

The previous prime is 27525000493. The next prime is 27525000527. The reversal of 27525000505 is 50500052572.

It can be written as a sum of positive squares in 4 ways, for example, as 865948329 + 26659052176 = 29427^2 + 163276^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27525000505 - 2⁹ = 27524999993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84606 + ... + 249415.

It is an arithmetic number, because the mean of its divisors is an integer number (4129012953).

Almost surely, 2^27525000505 is an apocalyptic number.

It is an amenable number.

27525000505 is a deficient number, since it is larger than the sum of its proper divisors (5507103119).

27525000505 is a wasteful number, since it uses less digits than its factorization.

27525000505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350507.

The product of its (nonzero) digits is 17500, while the sum is 31.

The spelling of 27525000505 in words is "twenty-seven billion, five hundred twenty-five million, five hundred five", and thus it is an aban number.