12520825756945 has 16 divisors (see below), whose sum is σ = 16393375990080. Its totient is φ = 9104679086400.

The previous prime is 12520825756897. The next prime is 12520825756997. The reversal of 12520825756945 is 54965752802521.

It is not a de Polignac number, because 12520825756945 - 2¹¹ = 12520825754897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16832766 + ... + 17560855.

It is an arithmetic number, because the mean of its divisors is an integer number (1024585999380).

Almost surely, 2^{12520825756945} is an apocalyptic number.

It is an amenable number.

12520825756945 is a deficient number, since it is larger than the sum of its proper divisors (3872550233135).

12520825756945 is a wasteful number, since it uses less digits than its factorization.

12520825756945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34400256.

The product of its (nonzero) digits is 60480000, while the sum is 61.

The spelling of 12520825756945 in words is "twelve trillion, five hundred twenty billion, eight hundred twenty-five million, seven hundred fifty-six thousand, nine hundred forty-five".