116401211 has 4 divisors (see below), whose sum is σ = 116854392. Its totient is φ = 115948032.

The previous prime is 116401189. The next prime is 116401247. The reversal of 116401211 is 112104611.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116401211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116401211.

It is not an unprimeable number, because it can be changed into a prime (116401291) 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 3 ways as a sum of consecutive naturals, for example, 226205 + ... + 226718.

It is an arithmetic number, because the mean of its divisors is an integer number (29213598).

Almost surely, 2^116401211 is an apocalyptic number.

116401211 is a deficient number, since it is larger than the sum of its proper divisors (453181).

116401211 is an equidigital number, since it uses as much as digits as its factorization.

116401211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453180.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 116401211 is about 10788.9392898468. The cubic root of 116401211 is about 488.2615208369.

Adding to 116401211 its reverse (112104611), we get a palindrome (228505822).

The spelling of 116401211 in words is "one hundred sixteen million, four hundred one thousand, two hundred eleven".