30280505505 has 8 divisors (see below), whose sum is σ = 48448808832. Its totient is φ = 16149602928.

The previous prime is 30280505467. The next prime is 30280505539. The reversal of 30280505505 is 50550508203.

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

It is not a de Polignac number, because 30280505505 - 2⁶ = 30280505441 is a prime.

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, 1009350169 + ... + 1009350198.

It is an arithmetic number, because the mean of its divisors is an integer number (6056101104).

Almost surely, 2^30280505505 is an apocalyptic number.

It is an amenable number.

30280505505 is a deficient number, since it is larger than the sum of its proper divisors (18168303327).

30280505505 is a wasteful number, since it uses less digits than its factorization.

30280505505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018700375.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 30280505505 in words is "thirty billion, two hundred eighty million, five hundred five thousand, five hundred five".