117509552843 has 4 divisors (see below), whose sum is σ = 117518663040. Its totient is φ = 117500442648.

The previous prime is 117509552837. The next prime is 117509552899. The reversal of 117509552843 is 348255905711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 348255905711 = 7 ⋅49750843673.

It is a cyclic number.

It is not a de Polignac number, because 117509552843 - 2⁶ = 117509552779 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117509552791 and 117509552800.

It is not an unprimeable number, because it can be changed into a prime (117509552543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4535723 + ... + 4561556.

It is an arithmetic number, because the mean of its divisors is an integer number (29379665760).

Almost surely, 2^117509552843 is an apocalyptic number.

117509552843 is a deficient number, since it is larger than the sum of its proper divisors (9110197).

117509552843 is an equidigital number, since it uses as much as digits as its factorization.

117509552843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9110196.

The product of its (nonzero) digits is 1512000, while the sum is 50.

The spelling of 117509552843 in words is "one hundred seventeen billion, five hundred nine million, five hundred fifty-two thousand, eight hundred forty-three".