355520043211 has 2 divisors, whose sum is σ = 355520043212. Its totient is φ = 355520043210.

The previous prime is 355520043173. The next prime is 355520043227. The reversal of 355520043211 is 112340025553.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 355520043211 - 2¹⁹ = 355519518923 is a prime.

It is a super-2 number, since 2×355520043211² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (355520043251) 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, 177760021605 + 177760021606.

It is an arithmetic number, because the mean of its divisors is an integer number (177760021606).

Almost surely, 2^355520043211 is an apocalyptic number.

355520043211 is a deficient number, since it is larger than the sum of its proper divisors (1).

355520043211 is an equidigital number, since it uses as much as digits as its factorization.

355520043211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 355520043211 its reverse (112340025553), we get a palindrome (467860068764).

The spelling of 355520043211 in words is "three hundred fifty-five billion, five hundred twenty million, forty-three thousand, two hundred eleven".