27505030506 has 16 divisors (see below), whose sum is σ = 55011700800. Its totient is φ = 9168070208.

The previous prime is 27505030499. The next prime is 27505030513. The reversal of 27505030506 is 60503050572.

It is an interprime number because it is at equal distance from previous prime (27505030499) and next prime (27505030513).

It is a Curzon 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, 316210 + ... + 393698.

It is an arithmetic number, because the mean of its divisors is an integer number (3438231300).

Almost surely, 2^27505030506 is an apocalyptic number.

27505030506 is an abundant number, since it is smaller than the sum of its proper divisors (27506670294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27505030506 is a wasteful number, since it uses less digits than its factorization.

27505030506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136653.

The product of its (nonzero) digits is 31500, while the sum is 33.

The spelling of 27505030506 in words is "twenty-seven billion, five hundred five million, thirty thousand, five hundred six".