3125063728217 has 4 divisors (see below), whose sum is σ = 3148919176656. Its totient is φ = 3101208279780.

The previous prime is 3125063728153. The next prime is 3125063728219. The reversal of 3125063728217 is 7128273605213.

3125063728217 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3125063728217 - 2⁶ = 3125063728153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3125063728219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11927724023 + ... + 11927724284.

It is an arithmetic number, because the mean of its divisors is an integer number (787229794164).

Almost surely, 2^{3125063728217} is an apocalyptic number.

It is an amenable number.

3125063728217 is a deficient number, since it is larger than the sum of its proper divisors (23855448439).

3125063728217 is a wasteful number, since it uses less digits than its factorization.

3125063728217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23855448438.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 3125063728217 in words is "three trillion, one hundred twenty-five billion, sixty-three million, seven hundred twenty-eight thousand, two hundred seventeen".