12515005043 has 4 divisors (see below), whose sum is σ = 12519610560. Its totient is φ = 12510399528.

The previous prime is 12515005001. The next prime is 12515005049. The reversal of 12515005043 is 34050051521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34050051521 = 757 ⋅44980253.

It is a cyclic number.

It is not a de Polignac number, because 12515005043 - 2⁶ = 12515004979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12515005049) 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, 2298680 + ... + 2304117.

It is an arithmetic number, because the mean of its divisors is an integer number (3129902640).

Almost surely, 2^12515005043 is an apocalyptic number.

12515005043 is a deficient number, since it is larger than the sum of its proper divisors (4605517).

12515005043 is an equidigital number, since it uses as much as digits as its factorization.

12515005043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4605516.

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 12515005043 its reverse (34050051521), we get a palindrome (46565056564).

The spelling of 12515005043 in words is "twelve billion, five hundred fifteen million, five thousand, forty-three".