551503004113 has 2 divisors, whose sum is σ = 551503004114. Its totient is φ = 551503004112.

The previous prime is 551503004099. The next prime is 551503004153. The reversal of 551503004113 is 311400305155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 524795927184 + 26707076929 = 724428^2 + 163423^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551503004113 is a prime.

It is not a weakly prime, because it can be changed into another prime (551503004153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275751502056 + 275751502057.

It is an arithmetic number, because the mean of its divisors is an integer number (275751502057).

Almost surely, 2^551503004113 is an apocalyptic number.

It is an amenable number.

551503004113 is a deficient number, since it is larger than the sum of its proper divisors (1).

551503004113 is an equidigital number, since it uses as much as digits as its factorization.

551503004113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 551503004113 its reverse (311400305155), we get a palindrome (862903309268).

The spelling of 551503004113 in words is "five hundred fifty-one billion, five hundred three million, four thousand, one hundred thirteen".