455555111617 has 2 divisors, whose sum is σ = 455555111618. Its totient is φ = 455555111616.

The previous prime is 455555111503. The next prime is 455555111629. The reversal of 455555111617 is 716111555554.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256999316401 + 198555795216 = 506951^2 + 445596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455555111617 is a prime.

It is not a weakly prime, because it can be changed into another prime (455555111647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227777555808 + 227777555809.

It is an arithmetic number, because the mean of its divisors is an integer number (227777555809).

Almost surely, 2^455555111617 is an apocalyptic number.

It is an amenable number.

455555111617 is a deficient number, since it is larger than the sum of its proper divisors (1).

455555111617 is an equidigital number, since it uses as much as digits as its factorization.

455555111617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 525000, while the sum is 46.

The spelling of 455555111617 in words is "four hundred fifty-five billion, five hundred fifty-five million, one hundred eleven thousand, six hundred seventeen".