128507919483 has 16 divisors (see below), whose sum is σ = 173945068416. Its totient is φ = 84372002880.

The previous prime is 128507919461. The next prime is 128507919497. The reversal of 128507919483 is 384919705821.

It is not a de Polignac number, because 128507919483 - 2⁸ = 128507919227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128507919403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 740188 + ... + 897158.

It is an arithmetic number, because the mean of its divisors is an integer number (10871566776).

Almost surely, 2^128507919483 is an apocalyptic number.

128507919483 is a deficient number, since it is larger than the sum of its proper divisors (45437148933).

128507919483 is a wasteful number, since it uses less digits than its factorization.

128507919483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161114.

The product of its (nonzero) digits is 4354560, while the sum is 57.

The spelling of 128507919483 in words is "one hundred twenty-eight billion, five hundred seven million, nine hundred nineteen thousand, four hundred eighty-three".