647056125201 has 8 divisors (see below), whose sum is σ = 874559877280. Its totient is φ = 425461561632.

The previous prime is 647056125179. The next prime is 647056125211. The reversal of 647056125201 is 102521650746.

647056125201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 647056125201 - 2⁶ = 647056125137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 647056125201.

It is not an unprimeable number, because it can be changed into a prime (647056125211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1477296871 + ... + 1477297308.

It is an arithmetic number, because the mean of its divisors is an integer number (109319984660).

Almost surely, 2^647056125201 is an apocalyptic number.

It is an amenable number.

647056125201 is a deficient number, since it is larger than the sum of its proper divisors (227503752079).

647056125201 is a wasteful number, since it uses less digits than its factorization.

647056125201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954594255.

The product of its (nonzero) digits is 100800, while the sum is 39.

Adding to 647056125201 its reverse (102521650746), we get a palindrome (749577775947).

The spelling of 647056125201 in words is "six hundred forty-seven billion, fifty-six million, one hundred twenty-five thousand, two hundred one".