19128485375 has 16 divisors (see below), whose sum is σ = 23893896000. Its totient is φ = 15288976800.

The previous prime is 19128485309. The next prime is 19128485381. The reversal of 19128485375 is 57358482191.

It is not a de Polignac number, because 19128485375 - 2²⁶ = 19061376511 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 71126 + ... + 208124.

It is an arithmetic number, because the mean of its divisors is an integer number (1493368500).

Almost surely, 2^19128485375 is an apocalyptic number.

19128485375 is a deficient number, since it is larger than the sum of its proper divisors (4765410625).

19128485375 is a wasteful number, since it uses less digits than its factorization.

19128485375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138131 (or 138121 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 53.

The spelling of 19128485375 in words is "nineteen billion, one hundred twenty-eight million, four hundred eighty-five thousand, three hundred seventy-five".