27525030005 has 32 divisors (see below), whose sum is σ = 37852012800. Its totient is φ = 19019207680.

The previous prime is 27525029993. The next prime is 27525030031. The reversal of 27525030005 is 50003052572.

It is not a de Polignac number, because 27525030005 - 2¹⁰ = 27525028981 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27525030005.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 115469 + ... + 261501.

It is an arithmetic number, because the mean of its divisors is an integer number (1182875400).

Almost surely, 2^27525030005 is an apocalyptic number.

It is an amenable number.

27525030005 is a deficient number, since it is larger than the sum of its proper divisors (10326982795).

27525030005 is a wasteful number, since it uses less digits than its factorization.

27525030005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146221.

The product of its (nonzero) digits is 10500, while the sum is 29.

Adding to 27525030005 its reverse (50003052572), we get a palindrome (77528082577).

The spelling of 27525030005 in words is "twenty-seven billion, five hundred twenty-five million, thirty thousand, five".