4128252515 has 8 divisors (see below), whose sum is σ = 5124727440. Its totient is φ = 3188719072.

The previous prime is 4128252509. The next prime is 4128252529. The reversal of 4128252515 is 5152528214.

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 4128252515 - 2¹⁴ = 4128236131 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14235209 + ... + 14235498.

It is an arithmetic number, because the mean of its divisors is an integer number (640590930).

Almost surely, 2^4128252515 is an apocalyptic number.

4128252515 is a deficient number, since it is larger than the sum of its proper divisors (996474925).

4128252515 is a wasteful number, since it uses less digits than its factorization.

4128252515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28470741.

The product of its digits is 32000, while the sum is 35.

The square root of 4128252515 is about 64251.4786989373. The cubic root of 4128252515 is about 1604.1885715732.

The spelling of 4128252515 in words is "four billion, one hundred twenty-eight million, two hundred fifty-two thousand, five hundred fifteen".