100503420520163 has 2 divisors, whose sum is σ = 100503420520164. Its totient is φ = 100503420520162.

The previous prime is 100503420520093. The next prime is 100503420520171. The reversal of 100503420520163 is 361025024305001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100503420520163 - 2²⁴ = 100503403742947 is a prime.

It is not a weakly prime, because it can be changed into another prime (100503420522163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50251710260081 + 50251710260082.

It is an arithmetic number, because the mean of its divisors is an integer number (50251710260082).

Almost surely, 2^{100503420520163} is an apocalyptic number.

100503420520163 is a deficient number, since it is larger than the sum of its proper divisors (1).

100503420520163 is an equidigital number, since it uses as much as digits as its factorization.

100503420520163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 100503420520163 its reverse (361025024305001), we get a palindrome (461528444825164).

The spelling of 100503420520163 in words is "one hundred trillion, five hundred three billion, four hundred twenty million, five hundred twenty thousand, one hundred sixty-three".