21652432606113 has 16 divisors (see below), whose sum is σ = 28890531840000. Its totient is φ = 14424644903760.

The previous prime is 21652432606069. The next prime is 21652432606117. The reversal of 21652432606113 is 31160623425612.

It is a de Polignac number, because none of the positive numbers 2^k-21652432606113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21652432606117) 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 15 ways as a sum of consecutive naturals, for example, 164093238 + ... + 164225136.

It is an arithmetic number, because the mean of its divisors is an integer number (1805658240000).

Almost surely, 2^{21652432606113} is an apocalyptic number.

It is an amenable number.

21652432606113 is a deficient number, since it is larger than the sum of its proper divisors (7238099233887).

21652432606113 is a wasteful number, since it uses less digits than its factorization.

21652432606113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170572.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 21652432606113 in words is "twenty-one trillion, six hundred fifty-two billion, four hundred thirty-two million, six hundred six thousand, one hundred thirteen".