117118251543 has 16 divisors (see below), whose sum is σ = 159123087360. Its totient is φ = 76596477984.

The previous prime is 117118251491. The next prime is 117118251637. The reversal of 117118251543 is 345152811711.

It is not a de Polignac number, because 117118251543 - 2¹⁸ = 117117989399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117118251043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1446118 + ... + 1524956.

It is an arithmetic number, because the mean of its divisors is an integer number (9945192960).

Almost surely, 2^117118251543 is an apocalyptic number.

117118251543 is a deficient number, since it is larger than the sum of its proper divisors (42004835817).

117118251543 is an equidigital number, since it uses as much as digits as its factorization.

117118251543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88238.

The product of its digits is 33600, while the sum is 39.

The spelling of 117118251543 in words is "one hundred seventeen billion, one hundred eighteen million, two hundred fifty-one thousand, five hundred forty-three".