128113939783 has 2 divisors, whose sum is σ = 128113939784. Its totient is φ = 128113939782.

The previous prime is 128113939763. The next prime is 128113939801. The reversal of 128113939783 is 387939311821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128113939783 - 2³³ = 119524005191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128113939763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64056969891 + 64056969892.

It is an arithmetic number, because the mean of its divisors is an integer number (64056969892).

Almost surely, 2^128113939783 is an apocalyptic number.

128113939783 is a deficient number, since it is larger than the sum of its proper divisors (1).

128113939783 is an equidigital number, since it uses as much as digits as its factorization.

128113939783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 55.

The spelling of 128113939783 in words is "one hundred twenty-eight billion, one hundred thirteen million, nine hundred thirty-nine thousand, seven hundred eighty-three".