128324886571187 has 2 divisors, whose sum is σ = 128324886571188. Its totient is φ = 128324886571186.

The previous prime is 128324886571129. The next prime is 128324886571247. The reversal of 128324886571187 is 781175688423821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128324886571187 - 2¹⁰ = 128324886570163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128324886571187.

It is not a weakly prime, because it can be changed into another prime (128324886571127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64162443285593 + 64162443285594.

It is an arithmetic number, because the mean of its divisors is an integer number (64162443285594).

Almost surely, 2^{128324886571187} is an apocalyptic number.

128324886571187 is a deficient number, since it is larger than the sum of its proper divisors (1).

128324886571187 is an equidigital number, since it uses as much as digits as its factorization.

128324886571187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 289013760, while the sum is 71.

The spelling of 128324886571187 in words is "one hundred twenty-eight trillion, three hundred twenty-four billion, eight hundred eighty-six million, five hundred seventy-one thousand, one hundred eighty-seven".