15115025425 has 6 divisors (see below), whose sum is σ = 18742631558. Its totient is φ = 12092020320.

The previous prime is 15115025413. The next prime is 15115025447. The reversal of 15115025425 is 52452051151.

15115025425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 15776784 + 15099248641 = 3972^2 + 122879^2 .

It is not a de Polignac number, because 15115025425 - 2¹¹ = 15115023377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 302300484 + ... + 302300533.

Almost surely, 2^15115025425 is an apocalyptic number.

It is an amenable number.

15115025425 is a deficient number, since it is larger than the sum of its proper divisors (3627606133).

15115025425 is an equidigital number, since it uses as much as digits as its factorization.

15115025425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604601027 (or 604601022 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 31.

Adding to 15115025425 its reverse (52452051151), we get a palindrome (67567076576).

The spelling of 15115025425 in words is "fifteen billion, one hundred fifteen million, twenty-five thousand, four hundred twenty-five".