128740793836099 has 2 divisors, whose sum is σ = 128740793836100. Its totient is φ = 128740793836098.

The previous prime is 128740793836091. The next prime is 128740793836139. The reversal of 128740793836099 is 990638397047821.

It is a weak prime.

It is an emirp because it is prime and its reverse (990638397047821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128740793836099 - 2³ = 128740793836091 is a prime.

It is not a weakly prime, because it can be changed into another prime (128740793836091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64370396918049 + 64370396918050.

It is an arithmetic number, because the mean of its divisors is an integer number (64370396918050).

Almost surely, 2^{128740793836099} is an apocalyptic number.

128740793836099 is a deficient number, since it is larger than the sum of its proper divisors (1).

128740793836099 is an equidigital number, since it uses as much as digits as its factorization.

128740793836099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 987614208, while the sum is 76.

The spelling of 128740793836099 in words is "one hundred twenty-eight trillion, seven hundred forty billion, seven hundred ninety-three million, eight hundred thirty-six thousand, ninety-nine".