115864651 has 8 divisors (see below), whose sum is σ = 134231264. Its totient is φ = 97951680.

The previous prime is 115864643. The next prime is 115864667. The reversal of 115864651 is 156468511.

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

It is a cyclic number.

It is not a de Polignac number, because 115864651 - 2³ = 115864643 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 115864651.

It is not an unprimeable number, because it can be changed into a prime (115864621) 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, 112860 + ... + 113881.

It is an arithmetic number, because the mean of its divisors is an integer number (16778908).

Almost surely, 2^115864651 is an apocalyptic number.

115864651 is a deficient number, since it is larger than the sum of its proper divisors (18366613).

115864651 is an equidigital number, since it uses as much as digits as its factorization.

115864651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226821.

The product of its digits is 28800, while the sum is 37.

The square root of 115864651 is about 10764.0443607410. The cubic root of 115864651 is about 487.5101392588.

The spelling of 115864651 in words is "one hundred fifteen million, eight hundred sixty-four thousand, six hundred fifty-one".