30005250505 has 16 divisors (see below), whose sum is σ = 36300386304. Its totient is φ = 23808254400.

The previous prime is 30005250497. The next prime is 30005250551. The reversal of 30005250505 is 50505250003.

It is not a de Polignac number, because 30005250505 - 2³ = 30005250497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30005250505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4156279 + ... + 4163491.

It is an arithmetic number, because the mean of its divisors is an integer number (2268774144).

Almost surely, 2^30005250505 is an apocalyptic number.

It is an amenable number.

30005250505 is a deficient number, since it is larger than the sum of its proper divisors (6295135799).

30005250505 is a wasteful number, since it uses less digits than its factorization.

30005250505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13896.

The product of its (nonzero) digits is 3750, while the sum is 25.

The spelling of 30005250505 in words is "thirty billion, five million, two hundred fifty thousand, five hundred five".