116512380 has 72 divisors (see below), whose sum is σ = 358302672. Its totient is φ = 30640896.

The previous prime is 116512367. The next prime is 116512381. The reversal of 116512380 is 83215611.

116512380 is a `hidden beast` number, since 1 + 1 + 651 + 2 + 3 + 8 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116512381) 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 23 ways as a sum of consecutive naturals, for example, 8707 + ... + 17573.

It is an arithmetic number, because the mean of its divisors is an integer number (4976426).

Almost surely, 2^116512380 is an apocalyptic number.

116512380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116512380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179151336).

116512380 is an abundant number, since it is smaller than the sum of its proper divisors (241790292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116512380 is a wasteful number, since it uses less digits than its factorization.

116512380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8955 (or 8950 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 116512380 is about 10794.0900496522. The cubic root of 116512380 is about 488.4169094673.

Adding to 116512380 its reverse (83215611), we get a palindrome (199727991).

The spelling of 116512380 in words is "one hundred sixteen million, five hundred twelve thousand, three hundred eighty".