19109112192120 has 64 divisors (see below), whose sum is σ = 57334145656320. Its totient is φ = 5095157999744.

The previous prime is 19109112192103. The next prime is 19109112192187. The reversal of 19109112192120 is 2129121190191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8442084 + ... + 10463603.

It is an arithmetic number, because the mean of its divisors is an integer number (895846025880).

Almost surely, 2^{19109112192120} is an apocalyptic number.

19109112192120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19109112192120 is an abundant number, since it is smaller than the sum of its proper divisors (38225033464200).

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

19109112192120 is a wasteful number, since it uses less digits than its factorization.

19109112192120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18914124 (or 18914120 counting only the distinct ones).

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

The spelling of 19109112192120 in words is "nineteen trillion, one hundred nine billion, one hundred twelve million, one hundred ninety-two thousand, one hundred twenty".