12501250013745 has 24 divisors (see below), whose sum is σ = 21669299145000. Its totient is φ = 6667190021376.

The previous prime is 12501250013743. The next prime is 12501250013783. The reversal of 12501250013745 is 54731005210521.

12501250013745 is a `hidden beast` number, since 1 + 2 + 5 + 0 + 12 + 500 + 137 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 47238129 + 12501202775616 = 6873^2 + 3535704^2 .

It is not a de Polignac number, because 12501250013745 - 2¹ = 12501250013743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12501250013743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 852370 + ... + 5072379.

It is an arithmetic number, because the mean of its divisors is an integer number (902887464375).

Almost surely, 2^{12501250013745} is an apocalyptic number.

12501250013745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12501250013745 is a deficient number, since it is larger than the sum of its proper divisors (9168049131255).

12501250013745 is a wasteful number, since it uses less digits than its factorization.

12501250013745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5971649 (or 5971646 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 12501250013745 in words is "twelve trillion, five hundred one billion, two hundred fifty million, thirteen thousand, seven hundred forty-five".