12603144620525 has 24 divisors (see below), whose sum is σ = 16240293888000. Its totient is φ = 9691788110400.

The previous prime is 12603144620503. The next prime is 12603144620543. The reversal of 12603144620525 is 52502644130621.

It is a de Polignac number, because none of the positive numbers 2^k-12603144620525 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54455405 + ... + 54686354.

It is an arithmetic number, because the mean of its divisors is an integer number (676678912000).

Almost surely, 2^{12603144620525} is an apocalyptic number.

It is an amenable number.

12603144620525 is a deficient number, since it is larger than the sum of its proper divisors (3637149267475).

12603144620525 is a wasteful number, since it uses less digits than its factorization.

12603144620525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109141949 (or 109141944 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 12603144620525 in words is "twelve trillion, six hundred three billion, one hundred forty-four million, six hundred twenty thousand, five hundred twenty-five".