1563142566001 has 2 divisors, whose sum is σ = 1563142566002. Its totient is φ = 1563142566000.

The previous prime is 1563142565981. The next prime is 1563142566061. The reversal of 1563142566001 is 1006652413651.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1435625726976 + 127516839025 = 1198176^2 + 357095^2 .

It is a cyclic number.

It is not a de Polignac number, because 1563142566001 - 2¹⁵ = 1563142533233 is a prime.

It is a super-2 number, since 2×1563142566001² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1563142566061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 781571283000 + 781571283001.

It is an arithmetic number, because the mean of its divisors is an integer number (781571283001).

Almost surely, 2^{1563142566001} is an apocalyptic number.

It is an amenable number.

1563142566001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1563142566001 is an equidigital number, since it uses as much as digits as its factorization.

1563142566001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 40.

Adding to 1563142566001 its reverse (1006652413651), we get a palindrome (2569794979652).

The spelling of 1563142566001 in words is "one trillion, five hundred sixty-three billion, one hundred forty-two million, five hundred sixty-six thousand, one".