12525646424364 has 96 divisors (see below), whose sum is σ = 33192462643200. Its totient is φ = 4082976633600.

The previous prime is 12525646424327. The next prime is 12525646424381. The reversal of 12525646424364 is 46342464652521.

12525646424364 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 564 + 6 + 42 + 4 + 36 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 12525646424364.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5068957 + ... + 7123595.

It is an arithmetic number, because the mean of its divisors is an integer number (345754819200).

Almost surely, 2^{12525646424364} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12525646424364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16596231321600).

12525646424364 is an abundant number, since it is smaller than the sum of its proper divisors (20666816218836).

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

12525646424364 is a wasteful number, since it uses less digits than its factorization.

12525646424364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055900 (or 2055892 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 54.

The spelling of 12525646424364 in words is "twelve trillion, five hundred twenty-five billion, six hundred forty-six million, four hundred twenty-four thousand, three hundred sixty-four".