12528637071158 has 16 divisors (see below), whose sum is σ = 20785555890960. Its totient is φ = 5626165503456.

The previous prime is 12528637071157. The next prime is 12528637071187. The reversal of 12528637071158 is 85117073682521.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12528637071157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6511764668 + ... + 6511766591.

It is an arithmetic number, because the mean of its divisors is an integer number (1299097243185).

Almost surely, 2^{12528637071158} is an apocalyptic number.

12528637071158 is a deficient number, since it is larger than the sum of its proper divisors (8256918819802).

12528637071158 is a wasteful number, since it uses less digits than its factorization.

12528637071158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13023531311.

The product of its (nonzero) digits is 5644800, while the sum is 56.

The spelling of 12528637071158 in words is "twelve trillion, five hundred twenty-eight billion, six hundred thirty-seven million, seventy-one thousand, one hundred fifty-eight".