128002750825783 has 2 divisors, whose sum is σ = 128002750825784. Its totient is φ = 128002750825782.

The previous prime is 128002750825757. The next prime is 128002750825837. The reversal of 128002750825783 is 387528057200821.

It is a happy number.

Together with next prime (128002750825837) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128002750825783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128002750825723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64001375412891 + 64001375412892.

It is an arithmetic number, because the mean of its divisors is an integer number (64001375412892).

Almost surely, 2^{128002750825783} is an apocalyptic number.

128002750825783 is a deficient number, since it is larger than the sum of its proper divisors (1).

128002750825783 is an equidigital number, since it uses as much as digits as its factorization.

128002750825783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15052800, while the sum is 58.

The spelling of 128002750825783 in words is "one hundred twenty-eight trillion, two billion, seven hundred fifty million, eight hundred twenty-five thousand, seven hundred eighty-three".