551454454123 has 2 divisors, whose sum is σ = 551454454124. Its totient is φ = 551454454122.

The previous prime is 551454454097. The next prime is 551454454163. The reversal of 551454454123 is 321454454155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551454454123 - 2²⁵ = 551420899691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 551454454123.

It is not a weakly prime, because it can be changed into another prime (551454454163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275727227061 + 275727227062.

It is an arithmetic number, because the mean of its divisors is an integer number (275727227062).

Almost surely, 2^551454454123 is an apocalyptic number.

551454454123 is a deficient number, since it is larger than the sum of its proper divisors (1).

551454454123 is an equidigital number, since it uses as much as digits as its factorization.

551454454123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960000, while the sum is 43.

The spelling of 551454454123 in words is "five hundred fifty-one billion, four hundred fifty-four million, four hundred fifty-four thousand, one hundred twenty-three".