30805471125 has 512 divisors, whose sum is σ = 72459878400. Its totient is φ = 12700800000.

The previous prime is 30805471057. The next prime is 30805471139. The reversal of 30805471125 is 52117450803.

30805471125 is a `hidden beast` number, since 3 + 0 + 80 + 547 + 11 + 25 = 666.

It is not a de Polignac number, because 30805471125 - 2¹⁵ = 30805438357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30805471125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 433879840 + ... + 433879910.

It is an arithmetic number, because the mean of its divisors is an integer number (141523200).

Almost surely, 2^30805471125 is an apocalyptic number.

It is an amenable number.

30805471125 is an abundant number, since it is smaller than the sum of its proper divisors (41654407275).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30805471125 is a wasteful number, since it uses less digits than its factorization.

30805471125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 30805471125 in words is "thirty billion, eight hundred five million, four hundred seventy-one thousand, one hundred twenty-five".