21632311041 has 8 divisors (see below), whose sum is σ = 31465179744. Its totient is φ = 13110491520.

The previous prime is 21632311037. The next prime is 21632311073. The reversal of 21632311041 is 14011323612.

It is a happy number.

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

It is not a de Polignac number, because 21632311041 - 2² = 21632311037 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21632311031) 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, 327762256 + ... + 327762321.

It is an arithmetic number, because the mean of its divisors is an integer number (3933147468).

Almost surely, 2^21632311041 is an apocalyptic number.

It is an amenable number.

21632311041 is a deficient number, since it is larger than the sum of its proper divisors (9832868703).

21632311041 is a wasteful number, since it uses less digits than its factorization.

21632311041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655524591.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 21632311041 its reverse (14011323612), we get a palindrome (35643634653).

The spelling of 21632311041 in words is "twenty-one billion, six hundred thirty-two million, three hundred eleven thousand, forty-one".