128635787116303 has 8 divisors (see below), whose sum is σ = 128647815440400. Its totient is φ = 128623759397760.

The previous prime is 128635787116189. The next prime is 128635787116327. The reversal of 128635787116303 is 303611787536821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 128635787116303 - 2⁹ = 128635787115791 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 (128635787116003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498252576 + ... + 498510682.

It is an arithmetic number, because the mean of its divisors is an integer number (16080976930050).

Almost surely, 2^{128635787116303} is an apocalyptic number.

128635787116303 is a deficient number, since it is larger than the sum of its proper divisors (12028324097).

128635787116303 is a wasteful number, since it uses less digits than its factorization.

128635787116303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302777.

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 128635787116303 in words is "one hundred twenty-eight trillion, six hundred thirty-five billion, seven hundred eighty-seven million, one hundred sixteen thousand, three hundred three".