503045332455361 has 2 divisors, whose sum is σ = 503045332455362. Its totient is φ = 503045332455360.

The previous prime is 503045332455301. The next prime is 503045332455403. The reversal of 503045332455361 is 163554233540305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 308302888805136 + 194742443650225 = 17558556^2 + 13955015^2 .

It is a cyclic number.

It is not a de Polignac number, because 503045332455361 - 2⁷ = 503045332455233 is a prime.

It is not a weakly prime, because it can be changed into another prime (503045332455301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251522666227680 + 251522666227681.

It is an arithmetic number, because the mean of its divisors is an integer number (251522666227681).

Almost surely, 2^{503045332455361} is an apocalyptic number.

It is an amenable number.

503045332455361 is a deficient number, since it is larger than the sum of its proper divisors (1).

503045332455361 is an equidigital number, since it uses as much as digits as its factorization.

503045332455361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720000, while the sum is 49.

Adding to 503045332455361 its reverse (163554233540305), we get a palindrome (666599565995666).

The spelling of 503045332455361 in words is "five hundred three trillion, forty-five billion, three hundred thirty-two million, four hundred fifty-five thousand, three hundred sixty-one".