551256008189 has 2 divisors, whose sum is σ = 551256008190. Its totient is φ = 551256008188.

The previous prime is 551256008117. The next prime is 551256008231. The reversal of 551256008189 is 981800652155.

It is a happy number.

551256008189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 489433164025 + 61822844164 = 699595^2 + 248642^2 .

It is a cyclic number.

It is not a de Polignac number, because 551256008189 - 2⁸ = 551256007933 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551256001189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275628004094 + 275628004095.

It is an arithmetic number, because the mean of its divisors is an integer number (275628004095).

Almost surely, 2^551256008189 is an apocalyptic number.

It is an amenable number.

551256008189 is a deficient number, since it is larger than the sum of its proper divisors (1).

551256008189 is an equidigital number, since it uses as much as digits as its factorization.

551256008189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864000, while the sum is 50.

The spelling of 551256008189 in words is "five hundred fifty-one billion, two hundred fifty-six million, eight thousand, one hundred eighty-nine".