128028176113 has 2 divisors, whose sum is σ = 128028176114. Its totient is φ = 128028176112.

The previous prime is 128028176069. The next prime is 128028176119. The reversal of 128028176113 is 311671820821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79607493904 + 48420682209 = 282148^2 + 220047^2 .

It is an emirp because it is prime and its reverse (311671820821) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128028176113 is a prime.

It is not a weakly prime, because it can be changed into another prime (128028176119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64014088056 + 64014088057.

It is an arithmetic number, because the mean of its divisors is an integer number (64014088057).

Almost surely, 2^128028176113 is an apocalyptic number.

It is an amenable number.

128028176113 is a deficient number, since it is larger than the sum of its proper divisors (1).

128028176113 is an equidigital number, since it uses as much as digits as its factorization.

128028176113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 40.

Adding to 128028176113 its reverse (311671820821), we get a palindrome (439699996934).

The spelling of 128028176113 in words is "one hundred twenty-eight billion, twenty-eight million, one hundred seventy-six thousand, one hundred thirteen".