3555111103213 has 2 divisors, whose sum is σ = 3555111103214. Its totient is φ = 3555111103212.

The previous prime is 3555111103207. The next prime is 3555111103217. The reversal of 3555111103213 is 3123011115553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3079593285129 + 475517818084 = 1754877^2 + 689578^2 .

It is a cyclic number.

It is not a de Polignac number, because 3555111103213 - 2³³ = 3546521168621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3555111103217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1777555551606 + 1777555551607.

It is an arithmetic number, because the mean of its divisors is an integer number (1777555551607).

Almost surely, 2^{3555111103213} is an apocalyptic number.

It is an amenable number.

3555111103213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3555111103213 is an equidigital number, since it uses as much as digits as its factorization.

3555111103213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 31.

Adding to 3555111103213 its reverse (3123011115553), we get a palindrome (6678122218766).

The spelling of 3555111103213 in words is "three trillion, five hundred fifty-five billion, one hundred eleven million, one hundred three thousand, two hundred thirteen".