19585112352 has 192 divisors, whose sum is σ = 58000997376. Its totient is φ = 5741429760.

The previous prime is 19585112273. The next prime is 19585112383. The reversal of 19585112352 is 25321158591.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8122027 + ... + 8124437.

It is an arithmetic number, because the mean of its divisors is an integer number (302088528).

Almost surely, 2^19585112352 is an apocalyptic number.

19585112352 is a gapful number since it is divisible by the number (12) 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 19585112352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29000498688).

19585112352 is an abundant number, since it is smaller than the sum of its proper divisors (38415885024).

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

19585112352 is a wasteful number, since it uses less digits than its factorization.

19585112352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743 (or 2735 counting only the distinct ones).

The product of its digits is 108000, while the sum is 42.

The spelling of 19585112352 in words is "nineteen billion, five hundred eighty-five million, one hundred twelve thousand, three hundred fifty-two".