10563305663461 has 4 divisors (see below), whose sum is σ = 10564102967500. Its totient is φ = 10562508359424.

The previous prime is 10563305663459. The next prime is 10563305663501. The reversal of 10563305663461 is 16436650336501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7435607302561 + 3127698360900 = 2726831^2 + 1768530^2 .

It is a cyclic number.

It is not a de Polignac number, because 10563305663461 - 2¹ = 10563305663459 is a prime.

It is a super-2 number, since 2×10563305663461² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10563305663401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398632146 + ... + 398658643.

It is an arithmetic number, because the mean of its divisors is an integer number (2641025741875).

Almost surely, 2^{10563305663461} is an apocalyptic number.

It is an amenable number.

10563305663461 is a deficient number, since it is larger than the sum of its proper divisors (797304039).

10563305663461 is an equidigital number, since it uses as much as digits as its factorization.

10563305663461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797304038.

The product of its (nonzero) digits is 3499200, while the sum is 49.

Adding to 10563305663461 its reverse (16436650336501), we get a palindrome (26999955999962).

The spelling of 10563305663461 in words is "ten trillion, five hundred sixty-three billion, three hundred five million, six hundred sixty-three thousand, four hundred sixty-one".