18805150828003 has 2 divisors, whose sum is σ = 18805150828004. Its totient is φ = 18805150828002.

The previous prime is 18805150827943. The next prime is 18805150828019. The reversal of 18805150828003 is 30082805150881.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18805150828003 - 2¹⁷ = 18805150696931 is a prime.

It is not a weakly prime, because it can be changed into another prime (18805150823003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9402575414001 + 9402575414002.

It is an arithmetic number, because the mean of its divisors is an integer number (9402575414002).

Almost surely, 2^{18805150828003} is an apocalyptic number.

18805150828003 is a deficient number, since it is larger than the sum of its proper divisors (1).

18805150828003 is an equidigital number, since it uses as much as digits as its factorization.

18805150828003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 614400, while the sum is 49.

Adding to 18805150828003 its reverse (30082805150881), we get a palindrome (48887955978884).

The spelling of 18805150828003 in words is "eighteen trillion, eight hundred five billion, one hundred fifty million, eight hundred twenty-eight thousand, three".