15244213085 has 4 divisors (see below), whose sum is σ = 18293055708. Its totient is φ = 12195370464.

The previous prime is 15244213027. The next prime is 15244213097. The reversal of 15244213085 is 58031244251.

15244213085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6363412441 + 8880800644 = 79771^2 + 94238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15244213085 is a prime.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1524421304 + ... + 1524421313.

It is an arithmetic number, because the mean of its divisors is an integer number (4573263927).

Almost surely, 2^15244213085 is an apocalyptic number.

It is an amenable number.

15244213085 is a deficient number, since it is larger than the sum of its proper divisors (3048842623).

15244213085 is an equidigital number, since it uses as much as digits as its factorization.

15244213085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048842622.

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 15244213085 in words is "fifteen billion, two hundred forty-four million, two hundred thirteen thousand, eighty-five".