30513505505 has 16 divisors (see below), whose sum is σ = 43290097920. Its totient is φ = 20202044352.

The previous prime is 30513505459. The next prime is 30513505511. The reversal of 30513505505 is 50550531503.

It is not a de Polignac number, because 30513505505 - 2¹⁴ = 30513489121 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15030269 + ... + 15032298.

It is an arithmetic number, because the mean of its divisors is an integer number (2705631120).

Almost surely, 2^30513505505 is an apocalyptic number.

30513505505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30513505505 is a deficient number, since it is larger than the sum of its proper divisors (12776592415).

30513505505 is a wasteful number, since it uses less digits than its factorization.

30513505505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30062608.

The product of its (nonzero) digits is 28125, while the sum is 32.

The spelling of 30513505505 in words is "thirty billion, five hundred thirteen million, five hundred five thousand, five hundred five".