21532535414001 has 24 divisors (see below), whose sum is σ = 32739894177120. Its totient is φ = 13599343751616.

The previous prime is 21532535413981. The next prime is 21532535414009. The reversal of 21532535414001 is 10041453523512.

21532535414001 is a `hidden beast` number, since 2 + 1 + 53 + 25 + 3 + 541 + 40 + 0 + 1 = 666.

It is not a de Polignac number, because 21532535414001 - 2⁶ = 21532535413937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21532535414009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15725125 + ... + 17039501.

It is an arithmetic number, because the mean of its divisors is an integer number (1364162257380).

Almost surely, 2^{21532535414001} is an apocalyptic number.

It is an amenable number.

21532535414001 is a deficient number, since it is larger than the sum of its proper divisors (11207358763119).

21532535414001 is a wasteful number, since it uses less digits than its factorization.

21532535414001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410205 (or 1410202 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 21532535414001 its reverse (10041453523512), we get a palindrome (31573988937513).

The spelling of 21532535414001 in words is "twenty-one trillion, five hundred thirty-two billion, five hundred thirty-five million, four hundred fourteen thousand, one".