117805018694 has 16 divisors (see below), whose sum is σ = 204111369936. Its totient is φ = 50397868800.

The previous prime is 117805018663. The next prime is 117805018697. The reversal of 117805018694 is 496810508711.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117805018697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157492967 + ... + 157493714.

It is an arithmetic number, because the mean of its divisors is an integer number (12756960621).

Almost surely, 2^117805018694 is an apocalyptic number.

117805018694 is a deficient number, since it is larger than the sum of its proper divisors (86306351242).

117805018694 is a wasteful number, since it uses less digits than its factorization.

117805018694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314986711.

The product of its (nonzero) digits is 483840, while the sum is 50.

The spelling of 117805018694 in words is "one hundred seventeen billion, eight hundred five million, eighteen thousand, six hundred ninety-four".