15016312945 has 8 divisors (see below), whose sum is σ = 18020251944. Its totient is φ = 12012599424.

The previous prime is 15016312907. The next prime is 15016312957. The reversal of 15016312945 is 54921361051.

15016312945 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 4 ways, for example, as 3402155584 + 11614157361 = 58328^2 + 107769^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15016312945 - 2¹⁵ = 15016280177 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 7 ways as a sum of consecutive naturals, for example, 181107 + ... + 250663.

It is an arithmetic number, because the mean of its divisors is an integer number (2252531493).

Almost surely, 2^15016312945 is an apocalyptic number.

It is an amenable number.

15016312945 is a deficient number, since it is larger than the sum of its proper divisors (3003938999).

15016312945 is an equidigital number, since it uses as much as digits as its factorization.

15016312945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112739.

The product of its (nonzero) digits is 32400, while the sum is 37.

Adding to 15016312945 its reverse (54921361051), we get a palindrome (69937673996).

The spelling of 15016312945 in words is "fifteen billion, sixteen million, three hundred twelve thousand, nine hundred forty-five".