4505172515 has 12 divisors (see below), whose sum is σ = 5510152704. Its totient is φ = 3536124384.

The previous prime is 4505172491. The next prime is 4505172523. The reversal of 4505172515 is 5152715054.

It is not a de Polignac number, because 4505172515 - 2¹⁶ = 4505106979 is a prime.

It is a super-2 number, since 2×4505172515² = 40593158779822850450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146339 + ... + 174428.

It is an arithmetic number, because the mean of its divisors is an integer number (459179392).

Almost surely, 2^4505172515 is an apocalyptic number.

4505172515 is a deficient number, since it is larger than the sum of its proper divisors (1004980189).

4505172515 is an equidigital number, since it uses as much as digits as its factorization.

4505172515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320878 (or 320825 counting only the distinct ones).

The product of its (nonzero) digits is 35000, while the sum is 35.

The square root of 4505172515 is about 67120.5819030199. The cubic root of 4505172515 is about 1651.5959477247.

Adding to 4505172515 its reverse (5152715054), we get a palindrome (9657887569).

The spelling of 4505172515 in words is "four billion, five hundred five million, one hundred seventy-two thousand, five hundred fifteen".