671225201801 has 8 divisors (see below), whose sum is σ = 836852199744. Its totient is φ = 523032624720.

The previous prime is 671225201761. The next prime is 671225201807. The reversal of 671225201801 is 108102522176.

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 671225201801 - 2¹⁰ = 671225200777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (671225201807) 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, 4358605130 + ... + 4358605283.

It is an arithmetic number, because the mean of its divisors is an integer number (104606524968).

Almost surely, 2^671225201801 is an apocalyptic number.

It is an amenable number.

671225201801 is a deficient number, since it is larger than the sum of its proper divisors (165626997943).

671225201801 is a wasteful number, since it uses less digits than its factorization.

671225201801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8717210431.

The product of its (nonzero) digits is 13440, while the sum is 35.

Adding to 671225201801 its reverse (108102522176), we get a palindrome (779327723977).

The spelling of 671225201801 in words is "six hundred seventy-one billion, two hundred twenty-five million, two hundred one thousand, eight hundred one".