18094182811 has 4 divisors (see below), whose sum is σ = 18479165472. Its totient is φ = 17709200152.

The previous prime is 18094182791. The next prime is 18094182833. The reversal of 18094182811 is 11828149081.

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 18094182811 - 2¹³ = 18094174619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18094182311) 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, 192491260 + ... + 192491353.

It is an arithmetic number, because the mean of its divisors is an integer number (4619791368).

Almost surely, 2^18094182811 is an apocalyptic number.

18094182811 is a deficient number, since it is larger than the sum of its proper divisors (384982661).

18094182811 is an equidigital number, since it uses as much as digits as its factorization.

18094182811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384982660.

The product of its (nonzero) digits is 36864, while the sum is 43.

The spelling of 18094182811 in words is "eighteen billion, ninety-four million, one hundred eighty-two thousand, eight hundred eleven".