25721741203201 has 8 divisors (see below), whose sum is σ = 25999263134208. Its totient is φ = 25445707326000.

The previous prime is 25721741203187. The next prime is 25721741203217. The reversal of 25721741203201 is 10230214712752.

It is a happy number.

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 25721741203201 - 2¹⁹ = 25721740678913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25721741203261) 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, 371978695 + ... + 372047836.

It is an arithmetic number, because the mean of its divisors is an integer number (3249907891776).

Almost surely, 2^{25721741203201} is an apocalyptic number.

It is an amenable number.

25721741203201 is a deficient number, since it is larger than the sum of its proper divisors (277521931007).

25721741203201 is a wasteful number, since it uses less digits than its factorization.

25721741203201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744026903.

The product of its (nonzero) digits is 47040, while the sum is 37.

Adding to 25721741203201 its reverse (10230214712752), we get a palindrome (35951955915953).

The spelling of 25721741203201 in words is "twenty-five trillion, seven hundred twenty-one billion, seven hundred forty-one million, two hundred three thousand, two hundred one".