116530215 has 16 divisors (see below), whose sum is σ = 190785408. Its totient is φ = 60703776.

The previous prime is 116530201. The next prime is 116530229. The reversal of 116530215 is 512035611.

It is an interprime number because it is at equal distance from previous prime (116530201) and next prime (116530229).

It is not a de Polignac number, because 116530215 - 2¹⁸ = 116268071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89689 + ... + 90978.

It is an arithmetic number, because the mean of its divisors is an integer number (11924088).

Almost surely, 2^116530215 is an apocalyptic number.

116530215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

116530215 is a deficient number, since it is larger than the sum of its proper divisors (74255193).

116530215 is a wasteful number, since it uses less digits than its factorization.

116530215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180718.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 116530215 is about 10794.9161645656. The cubic root of 116530215 is about 488.4418294834.

Adding to 116530215 its reverse (512035611), we get a palindrome (628565826).

The spelling of 116530215 in words is "one hundred sixteen million, five hundred thirty thousand, two hundred fifteen".