117645430735 has 24 divisors (see below), whose sum is σ = 171391321440. Its totient is φ = 75925784064.

The previous prime is 117645430733. The next prime is 117645430751. The reversal of 117645430735 is 537034546711.

It is a happy number.

It is not a de Polignac number, because 117645430735 - 2¹ = 117645430733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117645430733) 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 23 ways as a sum of consecutive naturals, for example, 5805280 + ... + 5825509.

It is an arithmetic number, because the mean of its divisors is an integer number (7141305060).

Almost surely, 2^117645430735 is an apocalyptic number.

117645430735 is a deficient number, since it is larger than the sum of its proper divisors (53745890705).

117645430735 is a wasteful number, since it uses less digits than its factorization.

117645430735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11630835 (or 11630818 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 117645430735 in words is "one hundred seventeen billion, six hundred forty-five million, four hundred thirty thousand, seven hundred thirty-five".