551100550043 has 2 divisors, whose sum is σ = 551100550044. Its totient is φ = 551100550042.

The previous prime is 551100550001. The next prime is 551100550073. The reversal of 551100550043 is 340055001155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551100550043 - 2²⁰ = 551099501467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551100549988 and 551100550015.

It is not a weakly prime, because it can be changed into another prime (551100550073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275550275021 + 275550275022.

It is an arithmetic number, because the mean of its divisors is an integer number (275550275022).

Almost surely, 2^551100550043 is an apocalyptic number.

551100550043 is a deficient number, since it is larger than the sum of its proper divisors (1).

551100550043 is an equidigital number, since it uses as much as digits as its factorization.

551100550043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7500, while the sum is 29.

Adding to 551100550043 its reverse (340055001155), we get a palindrome (891155551198).

The spelling of 551100550043 in words is "five hundred fifty-one billion, one hundred million, five hundred fifty thousand, forty-three".