128352001577383 has 4 divisors (see below), whose sum is σ = 128352028520128. Its totient is φ = 128351974634640.

The previous prime is 128352001577381. The next prime is 128352001577389. The reversal of 128352001577383 is 383775100253821.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 128352001577383 - 2¹ = 128352001577381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128352001577381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4197438 + ... + 16562683.

It is an arithmetic number, because the mean of its divisors is an integer number (32088007130032).

Almost surely, 2^{128352001577383} is an apocalyptic number.

128352001577383 is a deficient number, since it is larger than the sum of its proper divisors (26942745).

128352001577383 is an equidigital number, since it uses as much as digits as its factorization.

128352001577383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26942744.

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 128352001577383 in words is "one hundred twenty-eight trillion, three hundred fifty-two billion, one million, five hundred seventy-seven thousand, three hundred eighty-three".