128290288055 has 8 divisors (see below), whose sum is σ = 154188518544. Its totient is φ = 102472115200.

The previous prime is 128290288039. The next prime is 128290288057. The reversal of 128290288055 is 550882092821.

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

It is not a de Polignac number, because 128290288055 - 2⁴ = 128290288039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128290287994 and 128290288012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128290288057) 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, 20010881 + ... + 20017290.

It is an arithmetic number, because the mean of its divisors is an integer number (19273564818).

Almost surely, 2^128290288055 is an apocalyptic number.

128290288055 is a deficient number, since it is larger than the sum of its proper divisors (25898230489).

128290288055 is an equidigital number, since it uses as much as digits as its factorization.

128290288055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40028817.

The product of its (nonzero) digits is 921600, while the sum is 50.

The spelling of 128290288055 in words is "one hundred twenty-eight billion, two hundred ninety million, two hundred eighty-eight thousand, fifty-five".