12652516515 has 16 divisors (see below), whose sum is σ = 20345760000. Its totient is φ = 6714097632.

The previous prime is 12652516507. The next prime is 12652516567. The reversal of 12652516515 is 51561525621.

It is not a de Polignac number, because 12652516515 - 2³ = 12652516507 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2116365 + ... + 2122334.

It is an arithmetic number, because the mean of its divisors is an integer number (1271610000).

Almost surely, 2^12652516515 is an apocalyptic number.

12652516515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12652516515 is a deficient number, since it is larger than the sum of its proper divisors (7693243485).

12652516515 is a wasteful number, since it uses less digits than its factorization.

12652516515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4238906.

The product of its digits is 90000, while the sum is 39.

The spelling of 12652516515 in words is "twelve billion, six hundred fifty-two million, five hundred sixteen thousand, five hundred fifteen".