551243000551 has 2 divisors, whose sum is σ = 551243000552. Its totient is φ = 551243000550.

The previous prime is 551243000521. The next prime is 551243000573. The reversal of 551243000551 is 155000342155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551243000551 - 2³⁷ = 413804047079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551243000521) 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 as a sum of consecutive naturals, namely, 275621500275 + 275621500276.

It is an arithmetic number, because the mean of its divisors is an integer number (275621500276).

Almost surely, 2^551243000551 is an apocalyptic number.

551243000551 is a deficient number, since it is larger than the sum of its proper divisors (1).

551243000551 is an equidigital number, since it uses as much as digits as its factorization.

551243000551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 551243000551 in words is "five hundred fifty-one billion, two hundred forty-three million, five hundred fifty-one", and thus it is an aban number.