108403684128 has 72 divisors (see below), whose sum is σ = 319690517328. Its totient is φ = 36134558784.

The previous prime is 108403684099. The next prime is 108403684153. The reversal of 108403684128 is 821486304801.

It is a tau number, because it is divible by the number of its divisors (72).

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 11 ways as a sum of consecutive naturals, for example, 6962626 + ... + 6978177.

It is an arithmetic number, because the mean of its divisors is an integer number (4440146074).

Almost surely, 2^108403684128 is an apocalyptic number.

108403684128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

108403684128 is an abundant number, since it is smaller than the sum of its proper divisors (211286833200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108403684128 is an equidigital number, since it uses as much as digits as its factorization.

108403684128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13940828 (or 13940808 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

Adding to 108403684128 its reverse (821486304801), we get a palindrome (929889988929).

The spelling of 108403684128 in words is "one hundred eight billion, four hundred three million, six hundred eighty-four thousand, one hundred twenty-eight".