18103286603 has 2 divisors, whose sum is σ = 18103286604. Its totient is φ = 18103286602.

The previous prime is 18103286567. The next prime is 18103286609. The reversal of 18103286603 is 30668230181.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18103286603 - 2⁸ = 18103286347 is a prime.

It is not a weakly prime, because it can be changed into another prime (18103286609) 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, 9051643301 + 9051643302.

It is an arithmetic number, because the mean of its divisors is an integer number (9051643302).

Almost surely, 2^18103286603 is an apocalyptic number.

18103286603 is a deficient number, since it is larger than the sum of its proper divisors (1).

18103286603 is an equidigital number, since it uses as much as digits as its factorization.

18103286603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 18103286603 in words is "eighteen billion, one hundred three million, two hundred eighty-six thousand, six hundred three".