19103055280 has 20 divisors (see below), whose sum is σ = 44414603712. Its totient is φ = 7641222080.

The previous prime is 19103055269. The next prime is 19103055281. The reversal of 19103055280 is 8255030191.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (19103055281) 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 3 ways as a sum of consecutive naturals, for example, 119394016 + ... + 119394175.

Almost surely, 2^19103055280 is an apocalyptic number.

19103055280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19103055280 is an abundant number, since it is smaller than the sum of its proper divisors (25311548432).

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

19103055280 is a wasteful number, since it uses less digits than its factorization.

19103055280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238788204 (or 238788198 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 19103055280 in words is "nineteen billion, one hundred three million, fifty-five thousand, two hundred eighty".