117505434385 has 8 divisors (see below), whose sum is σ = 141015361536. Its totient is φ = 93998454000.

The previous prime is 117505434379. The next prime is 117505434427. The reversal of 117505434385 is 583434505711.

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

It is not a de Polignac number, because 117505434385 - 2⁹ = 117505433873 is a prime.

It is a super-2 number, since 2×117505434385² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647991 + ... + 809260.

It is an arithmetic number, because the mean of its divisors is an integer number (17626920192).

Almost surely, 2^117505434385 is an apocalyptic number.

It is an amenable number.

117505434385 is a deficient number, since it is larger than the sum of its proper divisors (23509927151).

117505434385 is a wasteful number, since it uses less digits than its factorization.

117505434385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473383.

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 117505434385 in words is "one hundred seventeen billion, five hundred five million, four hundred thirty-four thousand, three hundred eighty-five".