117116543 has 4 divisors (see below), whose sum is σ = 120894528. Its totient is φ = 113338560.

The previous prime is 117116537. The next prime is 117116557. The reversal of 117116543 is 345611711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345611711 = 73 ⋅4734407.

It is a cyclic number.

It is not a de Polignac number, because 117116543 - 2⁸ = 117116287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117116143) 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 3 ways as a sum of consecutive naturals, for example, 1888946 + ... + 1889007.

It is an arithmetic number, because the mean of its divisors is an integer number (30223632).

Almost surely, 2^117116543 is an apocalyptic number.

117116543 is a deficient number, since it is larger than the sum of its proper divisors (3777985).

117116543 is an equidigital number, since it uses as much as digits as its factorization.

117116543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777984.

The product of its digits is 2520, while the sum is 29.

The square root of 117116543 is about 10822.0396876005. The cubic root of 117116543 is about 489.2596663999.

The spelling of 117116543 in words is "one hundred seventeen million, one hundred sixteen thousand, five hundred forty-three".