18325792811 has 4 divisors (see below), whose sum is σ = 18328598472. Its totient is φ = 18322987152.

The previous prime is 18325792783. The next prime is 18325792841. The reversal of 18325792811 is 11829752381.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18325792811 - 2³⁴ = 1145923627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18325792841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393010 + ... + 1406103.

It is an arithmetic number, because the mean of its divisors is an integer number (4582149618).

Almost surely, 2^18325792811 is an apocalyptic number.

18325792811 is a deficient number, since it is larger than the sum of its proper divisors (2805661).

18325792811 is an equidigital number, since it uses as much as digits as its factorization.

18325792811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805660.

The product of its digits is 241920, while the sum is 47.

The spelling of 18325792811 in words is "eighteen billion, three hundred twenty-five million, seven hundred ninety-two thousand, eight hundred eleven".