5505106106321 has 2 divisors, whose sum is σ = 5505106106322. Its totient is φ = 5505106106320.

The previous prime is 5505106106317. The next prime is 5505106106323. The reversal of 5505106106321 is 1236016015055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3120737766721 + 2384368339600 = 1766561^2 + 1544140^2 .

It is a cyclic number.

It is not a de Polignac number, because 5505106106321 - 2² = 5505106106317 is a prime.

It is a super-2 number, since 2×5505106106321² (a number of 26 digits) contains 22 as substring.

Together with 5505106106323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5505106106323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752553053160 + 2752553053161.

It is an arithmetic number, because the mean of its divisors is an integer number (2752553053161).

Almost surely, 2^{5505106106321} is an apocalyptic number.

It is an amenable number.

5505106106321 is a deficient number, since it is larger than the sum of its proper divisors (1).

5505106106321 is an equidigital number, since it uses as much as digits as its factorization.

5505106106321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 5505106106321 in words is "five trillion, five hundred five billion, one hundred six million, one hundred six thousand, three hundred twenty-one".