128346128579 has 2 divisors, whose sum is σ = 128346128580. Its totient is φ = 128346128578.

The previous prime is 128346128569. The next prime is 128346128593. The reversal of 128346128579 is 975821643821.

It is a weak prime.

It is an emirp because it is prime and its reverse (975821643821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128346128579 - 2¹² = 128346124483 is a prime.

It is not a weakly prime, because it can be changed into another prime (128346128569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64173064289 + 64173064290.

It is an arithmetic number, because the mean of its divisors is an integer number (64173064290).

Almost surely, 2^128346128579 is an apocalyptic number.

128346128579 is a deficient number, since it is larger than the sum of its proper divisors (1).

128346128579 is an equidigital number, since it uses as much as digits as its factorization.

128346128579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 56.

The spelling of 128346128579 in words is "one hundred twenty-eight billion, three hundred forty-six million, one hundred twenty-eight thousand, five hundred seventy-nine".