12501515014015 has 16 divisors (see below), whose sum is σ = 15022433484576. Its totient is φ = 9987471849600.

The previous prime is 12501515013983. The next prime is 12501515014069. The reversal of 12501515014015 is 51041051510521.

It is not a de Polignac number, because 12501515014015 - 2⁵ = 12501515013983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29035005 + ... + 29462425.

It is an arithmetic number, because the mean of its divisors is an integer number (938902092786).

Almost surely, 2^{12501515014015} is an apocalyptic number.

12501515014015 is a deficient number, since it is larger than the sum of its proper divisors (2520918470561).

12501515014015 is an equidigital number, since it uses as much as digits as its factorization.

12501515014015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435450.

The product of its (nonzero) digits is 5000, while the sum is 31.

Adding to 12501515014015 its reverse (51041051510521), we get a palindrome (63542566524536).

The spelling of 12501515014015 in words is "twelve trillion, five hundred one billion, five hundred fifteen million, fourteen thousand, fifteen".