14355045155221 has 2 divisors, whose sum is σ = 14355045155222. Its totient is φ = 14355045155220.

The previous prime is 14355045155179. The next prime is 14355045155237. The reversal of 14355045155221 is 12255154055341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10029185938321 + 4325859216900 = 3166889^2 + 2079870^2 .

It is a cyclic number.

It is not a de Polignac number, because 14355045155221 - 2⁷ = 14355045155093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14355045155021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7177522577610 + 7177522577611.

It is an arithmetic number, because the mean of its divisors is an integer number (7177522577611).

Almost surely, 2^{14355045155221} is an apocalyptic number.

It is an amenable number.

14355045155221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14355045155221 is an equidigital number, since it uses as much as digits as its factorization.

14355045155221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600000, while the sum is 43.

The spelling of 14355045155221 in words is "fourteen trillion, three hundred fifty-five billion, forty-five million, one hundred fifty-five thousand, two hundred twenty-one".