2115328259 has 4 divisors (see below), whose sum is σ = 2307630840. Its totient is φ = 1923025680.

The previous prime is 2115328231. The next prime is 2115328291. The reversal of 2115328259 is 9528235112.

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-2115328259 is a prime.

It is a super-2 number, since 2×2115328259² = 8949227286647942162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2115328219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96151274 + ... + 96151295.

It is an arithmetic number, because the mean of its divisors is an integer number (576907710).

Almost surely, 2^2115328259 is an apocalyptic number.

2115328259 is a deficient number, since it is larger than the sum of its proper divisors (192302581).

2115328259 is a wasteful number, since it uses less digits than its factorization.

2115328259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192302580.

The product of its digits is 43200, while the sum is 38.

The square root of 2115328259 is about 45992.6978878169. The cubic root of 2115328259 is about 1283.6873369310.

The spelling of 2115328259 in words is "two billion, one hundred fifteen million, three hundred twenty-eight thousand, two hundred fifty-nine".