117111543 has 4 divisors (see below), whose sum is σ = 156148728. Its totient is φ = 78074360.

The previous prime is 117111517. The next prime is 117111551. The reversal of 117111543 is 345111711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117111543 - 2⁶ = 117111479 is a prime.

It is a super-2 number, since 2×117111543² = 27430227007681698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117111563) 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, 19518588 + ... + 19518593.

It is an arithmetic number, because the mean of its divisors is an integer number (39037182).

Almost surely, 2^117111543 is an apocalyptic number.

117111543 is a deficient number, since it is larger than the sum of its proper divisors (39037185).

117111543 is an equidigital number, since it uses as much as digits as its factorization.

117111543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39037184.

The product of its digits is 420, while the sum is 24.

The square root of 117111543 is about 10821.8086750783. The cubic root of 117111543 is about 489.2527037252.

The spelling of 117111543 in words is "one hundred seventeen million, one hundred eleven thousand, five hundred forty-three".