63503431116241 has 2 divisors, whose sum is σ = 63503431116242. Its totient is φ = 63503431116240.

The previous prime is 63503431116211. The next prime is 63503431116253. The reversal of 63503431116241 is 14261113430536.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58643738726400 + 4859692389841 = 7657920^2 + 2204471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63503431116241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63503431116194 and 63503431116203.

It is not a weakly prime, because it can be changed into another prime (63503431116211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31751715558120 + 31751715558121.

It is an arithmetic number, because the mean of its divisors is an integer number (31751715558121).

Almost surely, 2^{63503431116241} is an apocalyptic number.

It is an amenable number.

63503431116241 is a deficient number, since it is larger than the sum of its proper divisors (1).

63503431116241 is an equidigital number, since it uses as much as digits as its factorization.

63503431116241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 40.

Adding to 63503431116241 its reverse (14261113430536), we get a palindrome (77764544546777).

The spelling of 63503431116241 in words is "sixty-three trillion, five hundred three billion, four hundred thirty-one million, one hundred sixteen thousand, two hundred forty-one".