19080135500 has 24 divisors (see below), whose sum is σ = 41671017024. Its totient is φ = 7632054000.

The previous prime is 19080135499. The next prime is 19080135523. The reversal of 19080135500 is 553108091.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19079636 + ... + 19080635.

It is an arithmetic number, because the mean of its divisors is an integer number (1736292376).

Almost surely, 2^19080135500 is an apocalyptic number.

19080135500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19080135500 is an abundant number, since it is smaller than the sum of its proper divisors (22590881524).

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

19080135500 is a wasteful number, since it uses less digits than its factorization.

19080135500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38160290 (or 38160278 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 19080135500 in words is "nineteen billion, eighty million, one hundred thirty-five thousand, five hundred".