18190910011 has 8 divisors (see below), whose sum is σ = 18820483200. Its totient is φ = 17561490240.

The previous prime is 18190909969. The next prime is 18190910021. The reversal of 18190910011 is 11001909181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18190910011 - 2⁷ = 18190909883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18190910021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236335 + ... + 303703.

It is an arithmetic number, because the mean of its divisors is an integer number (2352560400).

Almost surely, 2^18190910011 is an apocalyptic number.

18190910011 is a deficient number, since it is larger than the sum of its proper divisors (629573189).

18190910011 is an equidigital number, since it uses as much as digits as its factorization.

18190910011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76709.

The product of its (nonzero) digits is 648, while the sum is 31.

The spelling of 18190910011 in words is "eighteen billion, one hundred ninety million, nine hundred ten thousand, eleven".