21441520041152 has 14 divisors (see below), whose sum is σ = 42548016331788. Its totient is φ = 10720760020544.

The previous prime is 21441520041113. The next prime is 21441520041169. The reversal of 21441520041152 is 25114002514412.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167511875258 + ... + 167511875385.

Almost surely, 2^{21441520041152} is an apocalyptic number.

It is an amenable number.

21441520041152 is a deficient number, since it is larger than the sum of its proper divisors (21106496290636).

21441520041152 is an equidigital number, since it uses as much as digits as its factorization.

21441520041152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335023750655 (or 335023750645 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

Adding to 21441520041152 its reverse (25114002514412), we get a palindrome (46555522555564).

The spelling of 21441520041152 in words is "twenty-one trillion, four hundred forty-one billion, five hundred twenty million, forty-one thousand, one hundred fifty-two".