116538911 has 4 divisors (see below), whose sum is σ = 117039312. Its totient is φ = 116038512.

The previous prime is 116538899. The next prime is 116538923. The reversal of 116538911 is 119835611.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (116538899) and next prime (116538923).

It is a cyclic number.

It is not a de Polignac number, because 116538911 - 2⁶ = 116538847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116538941) 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, 249851 + ... + 250316.

It is an arithmetic number, because the mean of its divisors is an integer number (29259828).

Almost surely, 2^116538911 is an apocalyptic number.

116538911 is a deficient number, since it is larger than the sum of its proper divisors (500401).

116538911 is an equidigital number, since it uses as much as digits as its factorization.

116538911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500400.

The product of its digits is 6480, while the sum is 35.

The square root of 116538911 is about 10795.3189392440. The cubic root of 116538911 is about 488.4539790777.

The spelling of 116538911 in words is "one hundred sixteen million, five hundred thirty-eight thousand, nine hundred eleven".