551243054143 has 2 divisors, whose sum is σ = 551243054144. Its totient is φ = 551243054142.

The previous prime is 551243054123. The next prime is 551243054149. The reversal of 551243054143 is 341450342155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551243054143 - 2¹⁷ = 551242923071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551243054149) 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 as a sum of consecutive naturals, namely, 275621527071 + 275621527072.

It is an arithmetic number, because the mean of its divisors is an integer number (275621527072).

Almost surely, 2^551243054143 is an apocalyptic number.

551243054143 is a deficient number, since it is larger than the sum of its proper divisors (1).

551243054143 is an equidigital number, since it uses as much as digits as its factorization.

551243054143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 551243054143 its reverse (341450342155), we get a palindrome (892693396298).

The spelling of 551243054143 in words is "five hundred fifty-one billion, two hundred forty-three million, fifty-four thousand, one hundred forty-three".