128032284378851 has 2 divisors, whose sum is σ = 128032284378852. Its totient is φ = 128032284378850.

The previous prime is 128032284378841. The next prime is 128032284378893. The reversal of 128032284378851 is 158873482230821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128032284378851 - 2²⁶ = 128032217269987 is a prime.

It is not a weakly prime, because it can be changed into another prime (128032284378841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64016142189425 + 64016142189426.

It is an arithmetic number, because the mean of its divisors is an integer number (64016142189426).

Almost surely, 2^{128032284378851} is an apocalyptic number.

128032284378851 is a deficient number, since it is larger than the sum of its proper divisors (1).

128032284378851 is an equidigital number, since it uses as much as digits as its factorization.

128032284378851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41287680, while the sum is 62.

The spelling of 128032284378851 in words is "one hundred twenty-eight trillion, thirty-two billion, two hundred eighty-four million, three hundred seventy-eight thousand, eight hundred fifty-one".