21652431114241 has 8 divisors (see below), whose sum is σ = 21913446441600. Its totient is φ = 21391419183792.

The previous prime is 21652431114113. The next prime is 21652431114287. The reversal of 21652431114241 is 14241113425612.

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 21652431114241 - 2⁷ = 21652431114113 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 21652431114241.

It is not an unprimeable number, because it can be changed into a prime (21652431814241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13410360 + ... + 14937958.

It is an arithmetic number, because the mean of its divisors is an integer number (2739180805200).

Almost surely, 2^{21652431114241} is an apocalyptic number.

It is an amenable number.

21652431114241 is a deficient number, since it is larger than the sum of its proper divisors (261015327359).

21652431114241 is a wasteful number, since it uses less digits than its factorization.

21652431114241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698455.

The product of its digits is 46080, while the sum is 37.

Adding to 21652431114241 its reverse (14241113425612), we get a palindrome (35893544539853).

The spelling of 21652431114241 in words is "twenty-one trillion, six hundred fifty-two billion, four hundred thirty-one million, one hundred fourteen thousand, two hundred forty-one".