19118880000 has 1080 divisors, whose sum is σ = 80686622016. Its totient is φ = 4300800000.

The previous prime is 19118879999. The next prime is 19118880013. The reversal of 19118880000 is 8881191.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 269279965 + ... + 269280035.

Almost surely, 2^19118880000 is an apocalyptic number.

19118880000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19118880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40343311008).

19118880000 is an abundant number, since it is smaller than the sum of its proper divisors (61567742016).

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

19118880000 is a wasteful number, since it uses less digits than its factorization.

19118880000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 36.

The spelling of 19118880000 in words is "nineteen billion, one hundred eighteen million, eight hundred eighty thousand".