355551360889 has 2 divisors, whose sum is σ = 355551360890. Its totient is φ = 355551360888.

The previous prime is 355551360877. The next prime is 355551360893. The reversal of 355551360889 is 988063155553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 349612038400 + 5939322489 = 591280^2 + 77067^2 .

It is a cyclic number.

It is not a de Polignac number, because 355551360889 - 2¹³ = 355551352697 is a prime.

It is not a weakly prime, because it can be changed into another prime (355551360839) 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, 177775680444 + 177775680445.

It is an arithmetic number, because the mean of its divisors is an integer number (177775680445).

Almost surely, 2^355551360889 is an apocalyptic number.

It is an amenable number.

355551360889 is a deficient number, since it is larger than the sum of its proper divisors (1).

355551360889 is an equidigital number, since it uses as much as digits as its factorization.

355551360889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440000, while the sum is 58.

The spelling of 355551360889 in words is "three hundred fifty-five billion, five hundred fifty-one million, three hundred sixty thousand, eight hundred eighty-nine".