5551324420303 has 4 divisors (see below), whose sum is σ = 5557582960560. Its totient is φ = 5545065880048.

The previous prime is 5551324420267. The next prime is 5551324420349. The reversal of 5551324420303 is 3030244231555.

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 5551324420303 - 2³⁷ = 5413885466831 is a prime.

It is a super-2 number, since 2×5551324420303² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551324426303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3129268798 + ... + 3129270571.

It is an arithmetic number, because the mean of its divisors is an integer number (1389395740140).

Almost surely, 2^{5551324420303} is an apocalyptic number.

5551324420303 is a deficient number, since it is larger than the sum of its proper divisors (6258540257).

5551324420303 is an equidigital number, since it uses as much as digits as its factorization.

5551324420303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6258540256.

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 5551324420303 its reverse (3030244231555), we get a palindrome (8581568651858).

It can be divided in two parts, 555132 and 4420303, that added together give a triangular number (4975435 = T₃₁₅₄).

The spelling of 5551324420303 in words is "five trillion, five hundred fifty-one billion, three hundred twenty-four million, four hundred twenty thousand, three hundred three".