2505643115 has 8 divisors (see below), whose sum is σ = 3137501088. Its totient is φ = 1917361600.

The previous prime is 2505643109. The next prime is 2505643121. The reversal of 2505643115 is 5113465052.

It is an interprime number because it is at equal distance from previous prime (2505643109) and next prime (2505643121).

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

It is not a de Polignac number, because 2505643115 - 2⁴ = 2505643099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10893986 + ... + 10894215.

It is an arithmetic number, because the mean of its divisors is an integer number (392187636).

Almost surely, 2^2505643115 is an apocalyptic number.

2505643115 is a deficient number, since it is larger than the sum of its proper divisors (631857973).

2505643115 is a wasteful number, since it uses less digits than its factorization.

2505643115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21788229.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 2505643115 is about 50056.3993411432. The cubic root of 2505643115 is about 1358.2292256224.

The spelling of 2505643115 in words is "two billion, five hundred five million, six hundred forty-three thousand, one hundred fifteen".