128583561129 has 16 divisors (see below), whose sum is σ = 177437044800. Its totient is φ = 82728906176.

The previous prime is 128583561107. The next prime is 128583561137. The reversal of 128583561129 is 921165385821.

It is a cyclic number.

It is not a de Polignac number, because 128583561129 - 2⁹ = 128583560617 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (128583561529) 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, 141399 + ... + 526460.

It is an arithmetic number, because the mean of its divisors is an integer number (11089815300).

Almost surely, 2^128583561129 is an apocalyptic number.

It is an amenable number.

128583561129 is a deficient number, since it is larger than the sum of its proper divisors (48853483671).

128583561129 is a wasteful number, since it uses less digits than its factorization.

128583561129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670104.

The product of its digits is 1036800, while the sum is 51.

The spelling of 128583561129 in words is "one hundred twenty-eight billion, five hundred eighty-three million, five hundred sixty-one thousand, one hundred twenty-nine".