21432015041332 has 36 divisors (see below), whose sum is σ = 43631475936384. Its totient is φ = 9184724725680.

The previous prime is 21432015041279. The next prime is 21432015041377. The reversal of 21432015041332 is 23314051023412.

It is a junction number, because it is equal to n+sod(n) for n = 21432015041294 and 21432015041303.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1742107 + ... + 6774877.

Almost surely, 2^{21432015041332} is an apocalyptic number.

It is an amenable number.

21432015041332 is an abundant number, since it is smaller than the sum of its proper divisors (22199460895052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21432015041332 is a wasteful number, since it uses less digits than its factorization.

21432015041332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5054516 (or 5054507 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 21432015041332 its reverse (23314051023412), we get a palindrome (44746066064744).

The spelling of 21432015041332 in words is "twenty-one trillion, four hundred thirty-two billion, fifteen million, forty-one thousand, three hundred thirty-two".