18582810011 has 2 divisors, whose sum is σ = 18582810012. Its totient is φ = 18582810010.

The previous prime is 18582809891. The next prime is 18582810067. The reversal of 18582810011 is 11001828581.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18582810011 is a prime.

It is not a weakly prime, because it can be changed into another prime (18582812011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9291405005 + 9291405006.

It is an arithmetic number, because the mean of its divisors is an integer number (9291405006).

Almost surely, 2^18582810011 is an apocalyptic number.

18582810011 is a deficient number, since it is larger than the sum of its proper divisors (1).

18582810011 is an equidigital number, since it uses as much as digits as its factorization.

18582810011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5120, while the sum is 35.

The spelling of 18582810011 in words is "eighteen billion, five hundred eighty-two million, eight hundred ten thousand, eleven".