116505383 has 4 divisors (see below), whose sum is σ = 120522840. Its totient is φ = 112487928.

The previous prime is 116505349. The next prime is 116505401. The reversal of 116505383 is 383505611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 383505611 = 23 ⋅16674157.

It is a cyclic number.

It is not a de Polignac number, because 116505383 - 2²⁰ = 115456807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116505343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2008685 + ... + 2008742.

It is an arithmetic number, because the mean of its divisors is an integer number (30130710).

Almost surely, 2^116505383 is an apocalyptic number.

116505383 is a deficient number, since it is larger than the sum of its proper divisors (4017457).

116505383 is an equidigital number, since it uses as much as digits as its factorization.

116505383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017456.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 116505383 is about 10793.7659322407. The cubic root of 116505383 is about 488.4071321901.

The spelling of 116505383 in words is "one hundred sixteen million, five hundred five thousand, three hundred eighty-three".