128448181379 has 16 divisors (see below), whose sum is σ = 146968260096. Its totient is φ = 109970784000.

The previous prime is 128448181373. The next prime is 128448181399. The reversal of 128448181379 is 973181844821.

It is not a de Polignac number, because 128448181379 - 2³² = 124153214083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128448181373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40251674 + ... + 40254864.

It is an arithmetic number, because the mean of its divisors is an integer number (9185516256).

Almost surely, 2^128448181379 is an apocalyptic number.

128448181379 is a deficient number, since it is larger than the sum of its proper divisors (18520078717).

128448181379 is a wasteful number, since it uses less digits than its factorization.

128448181379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8066.

The product of its digits is 3096576, while the sum is 56.

The spelling of 128448181379 in words is "one hundred twenty-eight billion, four hundred forty-eight million, one hundred eighty-one thousand, three hundred seventy-nine".