18094549011 has 64 divisors (see below), whose sum is σ = 30628992000. Its totient is φ = 9228556800.

The previous prime is 18094549009. The next prime is 18094549027. The reversal of 18094549011 is 11094549081.

It is not a de Polignac number, because 18094549011 - 2¹ = 18094549009 is a prime.

It is a super-2 number, since 2×18094549011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18094549001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11680665 + ... + 11682213.

It is an arithmetic number, because the mean of its divisors is an integer number (478578000).

Almost surely, 2^18094549011 is an apocalyptic number.

18094549011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

18094549011 is a deficient number, since it is larger than the sum of its proper divisors (12534442989).

18094549011 is a wasteful number, since it uses less digits than its factorization.

18094549011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460.

The product of its (nonzero) digits is 51840, while the sum is 42.

The spelling of 18094549011 in words is "eighteen billion, ninety-four million, five hundred forty-nine thousand, eleven".