128359557703 has 4 divisors (see below), whose sum is σ = 138233369848. Its totient is φ = 118485745560.

The previous prime is 128359557671. The next prime is 128359557707. The reversal of 128359557703 is 307755953821.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 128359557703 - 2⁵ = 128359557671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128359557707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4936906053 + ... + 4936906078.

It is an arithmetic number, because the mean of its divisors is an integer number (34558342462).

Almost surely, 2^128359557703 is an apocalyptic number.

128359557703 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

128359557703 is a deficient number, since it is larger than the sum of its proper divisors (9873812145).

128359557703 is an equidigital number, since it uses as much as digits as its factorization.

128359557703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9873812144.

The product of its (nonzero) digits is 7938000, while the sum is 55.

The spelling of 128359557703 in words is "one hundred twenty-eight billion, three hundred fifty-nine million, five hundred fifty-seven thousand, seven hundred three".