128383014015994 has 32 divisors (see below), whose sum is σ = 199459299004416. Its totient is φ = 61935450163440.

The previous prime is 128383014015959. The next prime is 128383014016009. The reversal of 128383014015994 is 499510410383821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76096797 + ... + 77765599.

It is an arithmetic number, because the mean of its divisors is an integer number (6233103093888).

Almost surely, 2^{128383014015994} is an apocalyptic number.

128383014015994 is a deficient number, since it is larger than the sum of its proper divisors (71076284988422).

128383014015994 is a wasteful number, since it uses less digits than its factorization.

128383014015994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680450.

The product of its (nonzero) digits is 7464960, while the sum is 58.

The spelling of 128383014015994 in words is "one hundred twenty-eight trillion, three hundred eighty-three billion, fourteen million, fifteen thousand, nine hundred ninety-four".