128836906601 has 16 divisors (see below), whose sum is σ = 141107016960. Its totient is φ = 116916808320.

The previous prime is 128836906577. The next prime is 128836906619. The reversal of 128836906601 is 106609638821.

It is not a de Polignac number, because 128836906601 - 2¹⁰ = 128836905577 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 128836906601.

It is not an unprimeable number, because it can be changed into a prime (128836906201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29915 + ... + 508496.

It is an arithmetic number, because the mean of its divisors is an integer number (8819188560).

Almost surely, 2^128836906601 is an apocalyptic number.

It is an amenable number.

128836906601 is a deficient number, since it is larger than the sum of its proper divisors (12270110359).

128836906601 is a wasteful number, since it uses less digits than its factorization.

128836906601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538736.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 128836906601 in words is "one hundred twenty-eight billion, eight hundred thirty-six million, nine hundred six thousand, six hundred one".