19109299120 has 40 divisors (see below), whose sum is σ = 44446155264. Its totient is φ = 7640788992.

The previous prime is 19109299067. The next prime is 19109299129. The reversal of 19109299120 is 2199290191.

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

It is not an unprimeable number, because it can be changed into a prime (19109299129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170512 + ... + 259408.

Almost surely, 2^19109299120 is an apocalyptic number.

19109299120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19109299120 is an abundant number, since it is smaller than the sum of its proper divisors (25336856144).

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

19109299120 is a wasteful number, since it uses less digits than its factorization.

19109299120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91597 (or 91591 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 43.

The spelling of 19109299120 in words is "nineteen billion, one hundred nine million, two hundred ninety-nine thousand, one hundred twenty".