128800155289 has 8 divisors (see below), whose sum is σ = 143182307072. Its totient is φ = 115057210320.

The previous prime is 128800155287. The next prime is 128800155293. The reversal of 128800155289 is 982551008821.

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

It is not a de Polignac number, because 128800155289 - 2¹ = 128800155287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128800155287) 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, 159801279 + ... + 159802084.

It is an arithmetic number, because the mean of its divisors is an integer number (17897788384).

Almost surely, 2^128800155289 is an apocalyptic number.

It is an amenable number.

128800155289 is a deficient number, since it is larger than the sum of its proper divisors (14382151783).

128800155289 is a wasteful number, since it uses less digits than its factorization.

128800155289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319603407.

The product of its (nonzero) digits is 460800, while the sum is 49.

It can be divided in two parts, 128800 and 155289, that added together give a square (284089 = 533²).

The spelling of 128800155289 in words is "one hundred twenty-eight billion, eight hundred million, one hundred fifty-five thousand, two hundred eighty-nine".