18145730411 has 2 divisors, whose sum is σ = 18145730412. Its totient is φ = 18145730410.

The previous prime is 18145730387. The next prime is 18145730467. The reversal of 18145730411 is 11403754181.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18145730411 is a prime.

It is not a weakly prime, because it can be changed into another prime (18145735411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9072865205 + 9072865206.

It is an arithmetic number, because the mean of its divisors is an integer number (9072865206).

Almost surely, 2^18145730411 is an apocalyptic number.

18145730411 is a deficient number, since it is larger than the sum of its proper divisors (1).

18145730411 is an equidigital number, since it uses as much as digits as its factorization.

18145730411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 35.

The spelling of 18145730411 in words is "eighteen billion, one hundred forty-five million, seven hundred thirty thousand, four hundred eleven".