551224152503 has 4 divisors (see below), whose sum is σ = 556575843408. Its totient is φ = 545872461600.

The previous prime is 551224152497. The next prime is 551224152527. The reversal of 551224152503 is 305251422155.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 551224152503 - 2¹⁴ = 551224136119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551224152403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2675845298 + ... + 2675845503.

It is an arithmetic number, because the mean of its divisors is an integer number (139143960852).

Almost surely, 2^551224152503 is an apocalyptic number.

551224152503 is a deficient number, since it is larger than the sum of its proper divisors (5351690905).

551224152503 is a wasteful number, since it uses less digits than its factorization.

551224152503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5351690904.

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 551224152503 its reverse (305251422155), we get a palindrome (856475574658).

The spelling of 551224152503 in words is "five hundred fifty-one billion, two hundred twenty-four million, one hundred fifty-two thousand, five hundred three".