117817011543 has 96 divisors (see below), whose sum is σ = 205977987072. Its totient is φ = 59196312000.

The previous prime is 117817011511. The next prime is 117817011547. The reversal of 117817011543 is 345110718711.

It is not a de Polignac number, because 117817011543 - 2⁵ = 117817011511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117817011547) 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 95 ways as a sum of consecutive naturals, for example, 7153468 + ... + 7169918.

It is an arithmetic number, because the mean of its divisors is an integer number (2145604032).

Almost surely, 2^117817011543 is an apocalyptic number.

117817011543 is a deficient number, since it is larger than the sum of its proper divisors (88160975529).

117817011543 is a wasteful number, since it uses less digits than its factorization.

117817011543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16625 (or 16618 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 39.

The spelling of 117817011543 in words is "one hundred seventeen billion, eight hundred seventeen million, eleven thousand, five hundred forty-three".