128553253399 has 8 divisors (see below), whose sum is σ = 131846203872. Its totient is φ = 125292429600.

The previous prime is 128553253391. The next prime is 128553253421. The reversal of 128553253399 is 993352355821.

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

It is a cyclic number.

It is not a de Polignac number, because 128553253399 - 2³ = 128553253391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128553253391) 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, 8023564 + ... + 8039569.

It is an arithmetic number, because the mean of its divisors is an integer number (16480775484).

Almost surely, 2^128553253399 is an apocalyptic number.

128553253399 is a deficient number, since it is larger than the sum of its proper divisors (3292950473).

128553253399 is a wasteful number, since it uses less digits than its factorization.

128553253399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16063337.

The product of its digits is 8748000, while the sum is 55.

The spelling of 128553253399 in words is "one hundred twenty-eight billion, five hundred fifty-three million, two hundred fifty-three thousand, three hundred ninety-nine".