15115025413 has 2 divisors, whose sum is σ = 15115025414. Its totient is φ = 15115025412.

The previous prime is 15115025411. The next prime is 15115025447. The reversal of 15115025413 is 31452051151.

15115025413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7768307044 + 7346718369 = 88138^2 + 85713^2 .

It is an emirp because it is prime and its reverse (31452051151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15115025413 - 2¹ = 15115025411 is a prime.

Together with 15115025411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15115025411) 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 as a sum of consecutive naturals, namely, 7557512706 + 7557512707.

It is an arithmetic number, because the mean of its divisors is an integer number (7557512707).

Almost surely, 2^15115025413 is an apocalyptic number.

It is an amenable number.

15115025413 is a deficient number, since it is larger than the sum of its proper divisors (1).

15115025413 is an equidigital number, since it uses as much as digits as its factorization.

15115025413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 15115025413 its reverse (31452051151), we get a palindrome (46567076564).

The spelling of 15115025413 in words is "fifteen billion, one hundred fifteen million, twenty-five thousand, four hundred thirteen".