15325612645 has 12 divisors (see below), whose sum is σ = 21393304524. Its totient is φ = 10508991360.

The previous prime is 15325612613. The next prime is 15325612649. The reversal of 15325612645 is 54621652351.

15325612645 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 2 ways, for example, as 4479223329 + 10846389316 = 66927^2 + 104146^2 .

It is not a de Polignac number, because 15325612645 - 2⁵ = 15325612613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15325612598 and 15325612607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15325612649) 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 11 ways as a sum of consecutive naturals, for example, 31276516 + ... + 31277005.

It is an arithmetic number, because the mean of its divisors is an integer number (1782775377).

Almost surely, 2^15325612645 is an apocalyptic number.

It is an amenable number.

15325612645 is a deficient number, since it is larger than the sum of its proper divisors (6067691879).

15325612645 is an equidigital number, since it uses as much as digits as its factorization.

15325612645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62553540 (or 62553533 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

The spelling of 15325612645 in words is "fifteen billion, three hundred twenty-five million, six hundred twelve thousand, six hundred forty-five".