12505575384 has 48 divisors (see below), whose sum is σ = 34589898720. Its totient is φ = 4079832000.

The previous prime is 12505575371. The next prime is 12505575419. The reversal of 12505575384 is 48357550521.

12505575384 is a `hidden beast` number, since 12 + 5 + 0 + 557 + 5 + 3 + 84 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1844367 + ... + 1851134.

It is an arithmetic number, because the mean of its divisors is an integer number (720622890).

Almost surely, 2^12505575384 is an apocalyptic number.

It is an amenable number.

12505575384 is an abundant number, since it is smaller than the sum of its proper divisors (22084323336).

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

12505575384 is a wasteful number, since it uses less digits than its factorization.

12505575384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695560 (or 3695553 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 45.

The spelling of 12505575384 in words is "twelve billion, five hundred five million, five hundred seventy-five thousand, three hundred eighty-four".