109091819100 has 72 divisors (see below), whose sum is σ = 344333461248. Its totient is φ = 26446500800.

The previous prime is 109091819099. The next prime is 109091819131. The reversal of 109091819100 is 1918190901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16525764 + ... + 16532363.

It is an arithmetic number, because the mean of its divisors is an integer number (4782409184).

Almost surely, 2^109091819100 is an apocalyptic number.

109091819100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109091819100 is an abundant number, since it is smaller than the sum of its proper divisors (235241642148).

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

109091819100 is a wasteful number, since it uses less digits than its factorization.

109091819100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33058155 (or 33058148 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 39.

The spelling of 109091819100 in words is "one hundred nine billion, ninety-one million, eight hundred nineteen thousand, one hundred".