21132234441625 has 32 divisors (see below), whose sum is σ = 26471418285312. Its totient is φ = 16842769257600.

The previous prime is 21132234441589. The next prime is 21132234441629. The reversal of 21132234441625 is 52614443223112.

It is not a de Polignac number, because 21132234441625 - 2⁷ = 21132234441497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21132234441629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81878532 + ... + 82136218.

It is an arithmetic number, because the mean of its divisors is an integer number (827231821416).

Almost surely, 2^{21132234441625} is an apocalyptic number.

21132234441625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

21132234441625 is a deficient number, since it is larger than the sum of its proper divisors (5339183843687).

21132234441625 is a wasteful number, since it uses less digits than its factorization.

21132234441625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260146 (or 260136 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

Adding to 21132234441625 its reverse (52614443223112), we get a palindrome (73746677664737).

The spelling of 21132234441625 in words is "twenty-one trillion, one hundred thirty-two billion, two hundred thirty-four million, four hundred forty-one thousand, six hundred twenty-five".