128080641919 has 8 divisors (see below), whose sum is σ = 136478588688. Its totient is φ = 119778672000.

The previous prime is 128080641889. The next prime is 128080641967. The reversal of 128080641919 is 919146080821.

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 128080641919 - 2⁹ = 128080641407 is a prime.

It is a super-2 number, since 2×128080641919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128080641979) 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, 23991457 + ... + 23996794.

It is an arithmetic number, because the mean of its divisors is an integer number (17059823586).

Almost surely, 2^128080641919 is an apocalyptic number.

128080641919 is a deficient number, since it is larger than the sum of its proper divisors (8397946769).

128080641919 is a wasteful number, since it uses less digits than its factorization.

128080641919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47988425.

The product of its (nonzero) digits is 248832, while the sum is 49.

The spelling of 128080641919 in words is "one hundred twenty-eight billion, eighty million, six hundred forty-one thousand, nine hundred nineteen".