128143275803 has 24 divisors (see below), whose sum is σ = 136787912352. Its totient is φ = 120014618112.

The previous prime is 128143275797. The next prime is 128143275817. The reversal of 128143275803 is 308572341821.

It is not a de Polignac number, because 128143275803 - 2³⁶ = 59423799067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128143215803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47866901 + ... + 47869577.

It is an arithmetic number, because the mean of its divisors is an integer number (5699496348).

Almost surely, 2^128143275803 is an apocalyptic number.

128143275803 is a deficient number, since it is larger than the sum of its proper divisors (8644636549).

128143275803 is a wasteful number, since it uses less digits than its factorization.

128143275803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179 (or 4160 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 128143275803 in words is "one hundred twenty-eight billion, one hundred forty-three million, two hundred seventy-five thousand, eight hundred three".