18694119411 has 64 divisors (see below), whose sum is σ = 32024678400. Its totient is φ = 10651737600.

The previous prime is 18694119383. The next prime is 18694119413. The reversal of 18694119411 is 11491149681.

18694119411 is a `hidden beast` number, since 186 + 9 + 41 + 19 + 411 = 666.

It is not a de Polignac number, because 18694119411 - 2⁶ = 18694119347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18694119413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7213726 + ... + 7216316.

It is an arithmetic number, because the mean of its divisors is an integer number (500385600).

Almost surely, 2^18694119411 is an apocalyptic number.

18694119411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

18694119411 is a deficient number, since it is larger than the sum of its proper divisors (13330558989).

18694119411 is a wasteful number, since it uses less digits than its factorization.

18694119411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057 (or 4051 counting only the distinct ones).

The product of its digits is 62208, while the sum is 45.

The spelling of 18694119411 in words is "eighteen billion, six hundred ninety-four million, one hundred nineteen thousand, four hundred eleven".