12528870902051 has 48 divisors (see below), whose sum is σ = 15526960657920. Its totient is φ = 10044989337600.

The previous prime is 12528870902029. The next prime is 12528870902083. The reversal of 12528870902051 is 15020907882521.

It is a de Polignac number, because none of the positive numbers 2^k-12528870902051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12528870905051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 403633790 + ... + 403664828.

It is an arithmetic number, because the mean of its divisors is an integer number (323478347040).

Almost surely, 2^{12528870902051} is an apocalyptic number.

12528870902051 is a deficient number, since it is larger than the sum of its proper divisors (2998089755869).

12528870902051 is a wasteful number, since it uses less digits than its factorization.

12528870902051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34044 (or 34037 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 50.

The spelling of 12528870902051 in words is "twelve trillion, five hundred twenty-eight billion, eight hundred seventy million, nine hundred two thousand, fifty-one".