1800104011 has 2 divisors, whose sum is σ = 1800104012. Its totient is φ = 1800104010.

The previous prime is 1800103997. The next prime is 1800104093. The reversal of 1800104011 is 1104010081.

It is a weak prime.

It is an emirp because it is prime and its reverse (1104010081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1800104011 - 2¹⁹ = 1799579723 is a prime.

It is not a weakly prime, because it can be changed into another prime (1800101011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 900052005 + 900052006.

It is an arithmetic number, because the mean of its divisors is an integer number (900052006).

Almost surely, 2^1800104011 is an apocalyptic number.

1800104011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1800104011 is an equidigital number, since it uses as much as digits as its factorization.

1800104011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 1800104011 is about 42427.6326348761. The cubic root of 1800104011 is about 1216.4638288824.

Adding to 1800104011 its reverse (1104010081), we get a palindrome (2904114092).

The spelling of 1800104011 in words is "one billion, eight hundred million, one hundred four thousand, eleven".