15120726041513 has 4 divisors (see below), whose sum is σ = 15121382716560. Its totient is φ = 15120069366468.

The previous prime is 15120726041401. The next prime is 15120726041567. The reversal of 15120726041513 is 31514062702151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15120726041513 - 2²⁸ = 15120457606057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15120726011513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328302983 + ... + 328349036.

It is an arithmetic number, because the mean of its divisors is an integer number (3780345679140).

Almost surely, 2^{15120726041513} is an apocalyptic number.

It is an amenable number.

15120726041513 is a deficient number, since it is larger than the sum of its proper divisors (656675047).

15120726041513 is an equidigital number, since it uses as much as digits as its factorization.

15120726041513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656675046.

The product of its (nonzero) digits is 50400, while the sum is 38.

Adding to 15120726041513 its reverse (31514062702151), we get a palindrome (46634788743664).

The spelling of 15120726041513 in words is "fifteen trillion, one hundred twenty billion, seven hundred twenty-six million, forty-one thousand, five hundred thirteen".