108128903958 has 48 divisors (see below), whose sum is σ = 236704712400. Its totient is φ = 35671578048.

The previous prime is 108128903951. The next prime is 108128903959. The reversal of 108128903958 is 859309821801.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108128903951) 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, 670141 + ... + 815687.

It is an arithmetic number, because the mean of its divisors is an integer number (4931348175).

Almost surely, 2^108128903958 is an apocalyptic number.

108128903958 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

108128903958 is an abundant number, since it is smaller than the sum of its proper divisors (128575808442).

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

108128903958 is a wasteful number, since it uses less digits than its factorization.

108128903958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145981 (or 145978 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 54.

The spelling of 108128903958 in words is "one hundred eight billion, one hundred twenty-eight million, nine hundred three thousand, nine hundred fifty-eight".