18847452803560 has 128 divisors (see below), whose sum is σ = 45779879116800. Its totient is φ = 6962011499520.

The previous prime is 18847452803549. The next prime is 18847452803653. The reversal of 18847452803560 is 6530825474881.

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, 651537817 + ... + 651566743.

It is an arithmetic number, because the mean of its divisors is an integer number (357655305600).

Almost surely, 2^{18847452803560} is an apocalyptic number.

18847452803560 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 18847452803560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22889939558400).

18847452803560 is an abundant number, since it is smaller than the sum of its proper divisors (26932426313240).

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

18847452803560 is a wasteful number, since it uses less digits than its factorization.

18847452803560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53411 (or 53407 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 61.

The spelling of 18847452803560 in words is "eighteen trillion, eight hundred forty-seven billion, four hundred fifty-two million, eight hundred three thousand, five hundred sixty".