116815443 has 4 divisors (see below), whose sum is σ = 155753928. Its totient is φ = 77876960.

The previous prime is 116815429. The next prime is 116815453. The reversal of 116815443 is 344518611.

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 116815443 - 2⁸ = 116815187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116815453) 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, 19469238 + ... + 19469243.

It is an arithmetic number, because the mean of its divisors is an integer number (38938482).

Almost surely, 2^116815443 is an apocalyptic number.

116815443 is a deficient number, since it is larger than the sum of its proper divisors (38938485).

116815443 is an equidigital number, since it uses as much as digits as its factorization.

116815443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38938484.

The product of its digits is 11520, while the sum is 33.

The square root of 116815443 is about 10808.1193091120. The cubic root of 116815443 is about 488.8400202665.

The spelling of 116815443 in words is "one hundred sixteen million, eight hundred fifteen thousand, four hundred forty-three".