551205205043 has 2 divisors, whose sum is σ = 551205205044. Its totient is φ = 551205205042.

The previous prime is 551205205027. The next prime is 551205205063. The reversal of 551205205043 is 340502502155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551205205043 - 2⁴ = 551205205027 is a prime.

It is not a weakly prime, because it can be changed into another prime (551205205003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275602602521 + 275602602522.

It is an arithmetic number, because the mean of its divisors is an integer number (275602602522).

Almost surely, 2^551205205043 is an apocalyptic number.

551205205043 is a deficient number, since it is larger than the sum of its proper divisors (1).

551205205043 is an equidigital number, since it uses as much as digits as its factorization.

551205205043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30000, while the sum is 32.

Adding to 551205205043 its reverse (340502502155), we get a palindrome (891707707198).

The spelling of 551205205043 in words is "five hundred fifty-one billion, two hundred five million, two hundred five thousand, forty-three".