455555111503 has 2 divisors, whose sum is σ = 455555111504. Its totient is φ = 455555111502.

The previous prime is 455555111477. The next prime is 455555111617. The reversal of 455555111503 is 305111555554.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455555111503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455555111003) 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, 227777555751 + 227777555752.

It is an arithmetic number, because the mean of its divisors is an integer number (227777555752).

Almost surely, 2^455555111503 is an apocalyptic number.

455555111503 is a deficient number, since it is larger than the sum of its proper divisors (1).

455555111503 is an equidigital number, since it uses as much as digits as its factorization.

455555111503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 187500, while the sum is 40.

The spelling of 455555111503 in words is "four hundred fifty-five billion, five hundred fifty-five million, one hundred eleven thousand, five hundred three".