30053521165 has 16 divisors (see below), whose sum is σ = 36272396160. Its totient is φ = 23904207040.

The previous prime is 30053521117. The next prime is 30053521189. The reversal of 30053521165 is 56112535003.

It is a de Polignac number, because none of the positive numbers 2^k-30053521165 is a prime.

It is a congruent number.

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, 1525830 + ... + 1545400.

It is an arithmetic number, because the mean of its divisors is an integer number (2267024760).

Almost surely, 2^30053521165 is an apocalyptic number.

It is an amenable number.

30053521165 is a deficient number, since it is larger than the sum of its proper divisors (6218874995).

30053521165 is a wasteful number, since it uses less digits than its factorization.

30053521165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21332.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 30053521165 in words is "thirty billion, fifty-three million, five hundred twenty-one thousand, one hundred sixty-five".