117854511 has 8 divisors (see below), whose sum is σ = 165409920. Its totient is φ = 74434392.

The previous prime is 117854497. The next prime is 117854519. The reversal of 117854511 is 115458711.

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

It is not a de Polignac number, because 117854511 - 2¹⁸ = 117592367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117854519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033755 + ... + 1033868.

It is an arithmetic number, because the mean of its divisors is an integer number (20676240).

Almost surely, 2^117854511 is an apocalyptic number.

117854511 is a deficient number, since it is larger than the sum of its proper divisors (47555409).

117854511 is a wasteful number, since it uses less digits than its factorization.

117854511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067645.

The product of its digits is 5600, while the sum is 33.

The square root of 117854511 is about 10856.0817517187. The cubic root of 117854511 is about 490.2851470954.

The spelling of 117854511 in words is "one hundred seventeen million, eight hundred fifty-four thousand, five hundred eleven".