21532433255241 has 4 divisors (see below), whose sum is σ = 28709911006992. Its totient is φ = 14354955503492.

The previous prime is 21532433255197. The next prime is 21532433255329. The reversal of 21532433255241 is 14255233423512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21532433255241 - 2¹⁴ = 21532433238857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21532433255193 and 21532433255202.

It is not an unprimeable number, because it can be changed into a prime (21532433255341) 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 3 ways as a sum of consecutive naturals, for example, 3588738875871 + ... + 3588738875876.

It is an arithmetic number, because the mean of its divisors is an integer number (7177477751748).

Almost surely, 2^{21532433255241} is an apocalyptic number.

It is an amenable number.

21532433255241 is a deficient number, since it is larger than the sum of its proper divisors (7177477751751).

21532433255241 is an equidigital number, since it uses as much as digits as its factorization.

21532433255241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7177477751750.

The product of its digits is 864000, while the sum is 42.

Adding to 21532433255241 its reverse (14255233423512), we get a palindrome (35787666678753).

The spelling of 21532433255241 in words is "twenty-one trillion, five hundred thirty-two billion, four hundred thirty-three million, two hundred fifty-five thousand, two hundred forty-one".