12763876525025 has 24 divisors (see below), whose sum is σ = 15847848407160. Its totient is φ = 10197787299840.

The previous prime is 12763876525021. The next prime is 12763876525069. The reversal of 12763876525025 is 52052567836721.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 4985177028001 + 7778699497024 = 2232751^2 + 2789032^2 .

It is not a de Polignac number, because 12763876525025 - 2² = 12763876525021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12763876525021) 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, 181504571 + ... + 181574879.

It is an arithmetic number, because the mean of its divisors is an integer number (660327016965).

Almost surely, 2^{12763876525025} is an apocalyptic number.

It is an amenable number.

12763876525025 is a deficient number, since it is larger than the sum of its proper divisors (3083971882135).

12763876525025 is an equidigital number, since it uses as much as digits as its factorization.

12763876525025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79685 (or 79680 counting only the distinct ones).

The product of its (nonzero) digits is 42336000, while the sum is 59.

The spelling of 12763876525025 in words is "twelve trillion, seven hundred sixty-three billion, eight hundred seventy-six million, five hundred twenty-five thousand, twenty-five".