12528637071157 has 2 divisors, whose sum is σ = 12528637071158. Its totient is φ = 12528637071156.

The previous prime is 12528637071127. The next prime is 12528637071187. The reversal of 12528637071157 is 75117073682521.

It is a balanced prime because it is at equal distance from previous prime (12528637071127) and next prime (12528637071187).

It can be written as a sum of positive squares in only one way, i.e., 6527749062916 + 6000888008241 = 2554946^2 + 2449671^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12528637071157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12528637071098 and 12528637071107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12528637071107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6264318535578 + 6264318535579.

It is an arithmetic number, because the mean of its divisors is an integer number (6264318535579).

Almost surely, 2^{12528637071157} is an apocalyptic number.

It is an amenable number.

12528637071157 is a deficient number, since it is larger than the sum of its proper divisors (1).

12528637071157 is an equidigital number, since it uses as much as digits as its factorization.

12528637071157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4939200, while the sum is 55.

The spelling of 12528637071157 in words is "twelve trillion, five hundred twenty-eight billion, six hundred thirty-seven million, seventy-one thousand, one hundred fifty-seven".