18072350603 has 2 divisors, whose sum is σ = 18072350604. Its totient is φ = 18072350602.

The previous prime is 18072350567. The next prime is 18072350627. The reversal of 18072350603 is 30605327081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18072350603 - 2⁶ = 18072350539 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (18072350663) 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, 9036175301 + 9036175302.

It is an arithmetic number, because the mean of its divisors is an integer number (9036175302).

Almost surely, 2^18072350603 is an apocalyptic number.

18072350603 is a deficient number, since it is larger than the sum of its proper divisors (1).

18072350603 is an equidigital number, since it uses as much as digits as its factorization.

18072350603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

Adding to 18072350603 its reverse (30605327081), we get a palindrome (48677677684).

The spelling of 18072350603 in words is "eighteen billion, seventy-two million, three hundred fifty thousand, six hundred three".