116520015 has 8 divisors (see below), whose sum is σ = 186432048. Its totient is φ = 62144000.

The previous prime is 116520013. The next prime is 116520031. The reversal of 116520015 is 510025611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 116520015 - 2¹ = 116520013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 116519973 and 116520000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116520011) 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 7 ways as a sum of consecutive naturals, for example, 3883986 + ... + 3884015.

It is an arithmetic number, because the mean of its divisors is an integer number (23304006).

Almost surely, 2^116520015 is an apocalyptic number.

116520015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

116520015 is a deficient number, since it is larger than the sum of its proper divisors (69912033).

116520015 is an equidigital number, since it uses as much as digits as its factorization.

116520015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7768009.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 116520015 is about 10794.4437096128. The cubic root of 116520015 is about 488.4275778090.

Adding to 116520015 its reverse (510025611), we get a palindrome (626545626).

The spelling of 116520015 in words is "one hundred sixteen million, five hundred twenty thousand, fifteen".