420110111211563 has 2 divisors, whose sum is σ = 420110111211564. Its totient is φ = 420110111211562.

The previous prime is 420110111211473. The next prime is 420110111211607. The reversal of 420110111211563 is 365112111011024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420110111211563 - 2⁴² = 415712064700459 is a prime.

It is not a weakly prime, because it can be changed into another prime (420110111211863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210055055605781 + 210055055605782.

It is an arithmetic number, because the mean of its divisors is an integer number (210055055605782).

Almost surely, 2^{420110111211563} is an apocalyptic number.

420110111211563 is a deficient number, since it is larger than the sum of its proper divisors (1).

420110111211563 is an equidigital number, since it uses as much as digits as its factorization.

420110111211563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 29.

Adding to 420110111211563 its reverse (365112111011024), we get a palindrome (785222222222587).

The spelling of 420110111211563 in words is "four hundred twenty trillion, one hundred ten billion, one hundred eleven million, two hundred eleven thousand, five hundred sixty-three".