12648046725 has 144 divisors (see below), whose sum is σ = 24737416704. Its totient is φ = 6393816000.

The previous prime is 12648046669. The next prime is 12648046729. The reversal of 12648046725 is 52764084621.

12648046725 is a `hidden beast` number, since 126 + 48 + 0 + 467 + 25 = 666.

It is not a de Polignac number, because 12648046725 - 2¹¹ = 12648044677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12648046729) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 18303630 + ... + 18304320.

It is an arithmetic number, because the mean of its divisors is an integer number (171787616).

Almost surely, 2^12648046725 is an apocalyptic number.

12648046725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12648046725 is a deficient number, since it is larger than the sum of its proper divisors (12089369979).

12648046725 is a wasteful number, since it uses less digits than its factorization.

12648046725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 12648046725 in words is "twelve billion, six hundred forty-eight million, forty-six thousand, seven hundred twenty-five".