128598161113 has 4 divisors (see below), whose sum is σ = 130517536720. Its totient is φ = 126678785508.

The previous prime is 128598161093. The next prime is 128598161117. The reversal of 128598161113 is 311161895821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128598161113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128598161117) 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, 959687703 + ... + 959687836.

It is an arithmetic number, because the mean of its divisors is an integer number (32629384180).

Almost surely, 2^128598161113 is an apocalyptic number.

It is an amenable number.

128598161113 is a deficient number, since it is larger than the sum of its proper divisors (1919375607).

128598161113 is an equidigital number, since it uses as much as digits as its factorization.

128598161113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919375606.

The product of its digits is 103680, while the sum is 46.

The spelling of 128598161113 in words is "one hundred twenty-eight billion, five hundred ninety-eight million, one hundred sixty-one thousand, one hundred thirteen".