1563142566048 has 144 divisors (see below), whose sum is σ = 4767571448640. Its totient is φ = 439289948160.

The previous prime is 1563142566001. The next prime is 1563142566061. The reversal of 1563142566048 is 8406652413651.

It is a Cunningham number, because it is equal to 1250257²-1.

It is a super-2 number, since 2×1563142566048² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2187948 + ... + 2813076.

It is an arithmetic number, because the mean of its divisors is an integer number (33108135060).

Almost surely, 2^{1563142566048} 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 1563142566048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2383785724320).

1563142566048 is an abundant number, since it is smaller than the sum of its proper divisors (3204428882592).

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

1563142566048 is an equidigital number, since it uses as much as digits as its factorization.

1563142566048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625271 (or 625202 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 51.

Adding to 1563142566048 its reverse (8406652413651), we get a palindrome (9969794979699).

The spelling of 1563142566048 in words is "one trillion, five hundred sixty-three billion, one hundred forty-two million, five hundred sixty-six thousand, forty-eight".