109105615000 has 40 divisors (see below), whose sum is σ = 255634467660. Its totient is φ = 43642244000.

The previous prime is 109105614971. The next prime is 109105615009. The reversal of 109105615000 is 516501901.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 109105615000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109105615009) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 10905562 + ... + 10915561.

Almost surely, 2^109105615000 is an apocalyptic number.

109105615000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109105615000 is an abundant number, since it is smaller than the sum of its proper divisors (146528852660).

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

109105615000 is an equidigital number, since it uses as much as digits as its factorization.

109105615000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21821149 (or 21821130 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 28.

The spelling of 109105615000 in words is "one hundred nine billion, one hundred five million, six hundred fifteen thousand".