30575825505 has 12 divisors (see below), whose sum is σ = 52998097620. Its totient is φ = 16307106912.

The previous prime is 30575825479. The next prime is 30575825521. The reversal of 30575825505 is 50552857503.

30575825505 is a `hidden beast` number, since 3 + 0 + 575 + 8 + 25 + 50 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4187772369 + 26388053136 = 64713^2 + 162444^2 .

It is not a de Polignac number, because 30575825505 - 2⁸ = 30575825249 is a prime.

It is a super-2 number, since 2×30575825505² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 679462789 = 30575825505 / (3 + 0 + 5 + 7 + 5 + 8 + 2 + 5 + 5 + 0 + 5).

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 11 ways as a sum of consecutive naturals, for example, 339731350 + ... + 339731439.

It is an arithmetic number, because the mean of its divisors is an integer number (4416508135).

Almost surely, 2^30575825505 is an apocalyptic number.

It is an amenable number.

30575825505 is a deficient number, since it is larger than the sum of its proper divisors (22422272115).

30575825505 is a wasteful number, since it uses less digits than its factorization.

30575825505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679462800 (or 679462797 counting only the distinct ones).

The product of its (nonzero) digits is 1050000, while the sum is 45.

The spelling of 30575825505 in words is "thirty billion, five hundred seventy-five million, eight hundred twenty-five thousand, five hundred five".