117238154543 has 8 divisors (see below), whose sum is σ = 121029956736. Its totient is φ = 113446972800.

The previous prime is 117238154497. The next prime is 117238154557. The reversal of 117238154543 is 345451832711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117238154543 - 2²⁴ = 117221377327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117238154494 and 117238154503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117237154543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245363 + ... + 542843.

It is an arithmetic number, because the mean of its divisors is an integer number (15128744592).

Almost surely, 2^117238154543 is an apocalyptic number.

117238154543 is a deficient number, since it is larger than the sum of its proper divisors (3791802193).

117238154543 is a wasteful number, since it uses less digits than its factorization.

117238154543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310225.

The product of its digits is 403200, while the sum is 44.

The spelling of 117238154543 in words is "one hundred seventeen billion, two hundred thirty-eight million, one hundred fifty-four thousand, five hundred forty-three".