551343400103 has 2 divisors, whose sum is σ = 551343400104. Its totient is φ = 551343400102.

The previous prime is 551343400081. The next prime is 551343400151. The reversal of 551343400103 is 301004343155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551343400103 - 2³² = 547048432807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551343400193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275671700051 + 275671700052.

It is an arithmetic number, because the mean of its divisors is an integer number (275671700052).

Almost surely, 2^551343400103 is an apocalyptic number.

551343400103 is a deficient number, since it is larger than the sum of its proper divisors (1).

551343400103 is an equidigital number, since it uses as much as digits as its factorization.

551343400103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 551343400103 its reverse (301004343155), we get a palindrome (852347743258).

The spelling of 551343400103 in words is "five hundred fifty-one billion, three hundred forty-three million, four hundred thousand, one hundred three".