355105213241 has 2 divisors, whose sum is σ = 355105213242. Its totient is φ = 355105213240.

The previous prime is 355105213217. The next prime is 355105213271. The reversal of 355105213241 is 142312501553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 338981292841 + 16123920400 = 582221^2 + 126980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355105213241 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 355105213198 and 355105213207.

It is not a weakly prime, because it can be changed into another prime (355105213271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177552606620 + 177552606621.

It is an arithmetic number, because the mean of its divisors is an integer number (177552606621).

Almost surely, 2^355105213241 is an apocalyptic number.

It is an amenable number.

355105213241 is a deficient number, since it is larger than the sum of its proper divisors (1).

355105213241 is an equidigital number, since it uses as much as digits as its factorization.

355105213241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 355105213241 its reverse (142312501553), we get a palindrome (497417714794).

The spelling of 355105213241 in words is "three hundred fifty-five billion, one hundred five million, two hundred thirteen thousand, two hundred forty-one".