503045332455451 has 2 divisors, whose sum is σ = 503045332455452. Its totient is φ = 503045332455450.

The previous prime is 503045332455409. The next prime is 503045332455469. The reversal of 503045332455451 is 154554233540305.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 503045332455451 - 2¹⁵ = 503045332422683 is a prime.

It is a super-2 number, since 2×503045332455451² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 503045332455395 and 503045332455404.

It is not a weakly prime, because it can be changed into another prime (503045332455751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251522666227725 + 251522666227726.

It is an arithmetic number, because the mean of its divisors is an integer number (251522666227726).

Almost surely, 2^{503045332455451} is an apocalyptic number.

503045332455451 is a deficient number, since it is larger than the sum of its proper divisors (1).

503045332455451 is an equidigital number, since it uses as much as digits as its factorization.

503045332455451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800000, while the sum is 49.

Adding to 503045332455451 its reverse (154554233540305), we get a palindrome (657599565995756).

The spelling of 503045332455451 in words is "five hundred three trillion, forty-five billion, three hundred thirty-two million, four hundred fifty-five thousand, four hundred fifty-one".