455861111 has 2 divisors, whose sum is σ = 455861112. Its totient is φ = 455861110.

The previous prime is 455861089. The next prime is 455861117. The reversal of 455861111 is 111168554.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455861111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455861117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227930555 + 227930556.

It is an arithmetic number, because the mean of its divisors is an integer number (227930556).

Almost surely, 2^455861111 is an apocalyptic number.

455861111 is a deficient number, since it is larger than the sum of its proper divisors (1).

455861111 is an equidigital number, since it uses as much as digits as its factorization.

455861111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 32.

The square root of 455861111 is about 21350.9042197280. The cubic root of 455861111 is about 769.6220729293.

The spelling of 455861111 in words is "four hundred fifty-five million, eight hundred sixty-one thousand, one hundred eleven".