100406105603 has 2 divisors, whose sum is σ = 100406105604. Its totient is φ = 100406105602.

The previous prime is 100406105533. The next prime is 100406105609. The reversal of 100406105603 is 306501604001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100406105603 is a prime.

It is not a weakly prime, because it can be changed into another prime (100406105609) 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, 50203052801 + 50203052802.

It is an arithmetic number, because the mean of its divisors is an integer number (50203052802).

Almost surely, 2^100406105603 is an apocalyptic number.

100406105603 is a deficient number, since it is larger than the sum of its proper divisors (1).

100406105603 is an equidigital number, since it uses as much as digits as its factorization.

100406105603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 100406105603 its reverse (306501604001), we get a palindrome (406907709604).

The spelling of 100406105603 in words is "one hundred billion, four hundred six million, one hundred five thousand, six hundred three".