1563230438856 has 96 divisors (see below), whose sum is σ = 4275442416960. Its totient is φ = 515946727296.

The previous prime is 1563230438851. The next prime is 1563230438893. The reversal of 1563230438856 is 6588340323651.

1563230438856 is a `hidden beast` number, since 1 + 563 + 2 + 30 + 43 + 8 + 8 + 5 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (1563230438851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106212010 + ... + 106226726.

It is an arithmetic number, because the mean of its divisors is an integer number (44535858510).

Almost surely, 2^{1563230438856} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1563230438856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2137721208480).

1563230438856 is an abundant number, since it is smaller than the sum of its proper divisors (2712211978104).

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

1563230438856 is a wasteful number, since it uses less digits than its factorization.

1563230438856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29155 (or 29148 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 54.

The spelling of 1563230438856 in words is "one trillion, five hundred sixty-three billion, two hundred thirty million, four hundred thirty-eight thousand, eight hundred fifty-six".