63363124540561 has 16 divisors (see below), whose sum is σ = 68652542844864. Its totient is φ = 58247359478784.

The previous prime is 63363124540549. The next prime is 63363124540801. The reversal of 63363124540561 is 16504542136336.

It is a cyclic number.

It is not a de Polignac number, because 63363124540561 - 2²³ = 63363116151953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63363124540061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25125106 + ... + 27531748.

It is an arithmetic number, because the mean of its divisors is an integer number (4290783927804).

Almost surely, 2^{63363124540561} is an apocalyptic number.

It is an amenable number.

63363124540561 is a deficient number, since it is larger than the sum of its proper divisors (5289418304303).

63363124540561 is a wasteful number, since it uses less digits than its factorization.

63363124540561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442720.

The product of its (nonzero) digits is 4665600, while the sum is 49.

Adding to 63363124540561 its reverse (16504542136336), we get a palindrome (79867666676897).

The spelling of 63363124540561 in words is "sixty-three trillion, three hundred sixty-three billion, one hundred twenty-four million, five hundred forty thousand, five hundred sixty-one".