18104783113 has 2 divisors, whose sum is σ = 18104783114. Its totient is φ = 18104783112.

The previous prime is 18104783101. The next prime is 18104783117. The reversal of 18104783113 is 31138740181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16381952064 + 1722831049 = 127992^2 + 41507^2 .

It is a cyclic number.

It is not a de Polignac number, because 18104783113 - 2⁹ = 18104782601 is a prime.

It is not a weakly prime, because it can be changed into another prime (18104783117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9052391556 + 9052391557.

It is an arithmetic number, because the mean of its divisors is an integer number (9052391557).

Almost surely, 2^18104783113 is an apocalyptic number.

It is an amenable number.

18104783113 is a deficient number, since it is larger than the sum of its proper divisors (1).

18104783113 is an equidigital number, since it uses as much as digits as its factorization.

18104783113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 18104783113 in words is "eighteen billion, one hundred four million, seven hundred eighty-three thousand, one hundred thirteen".