21246601611152 has 20 divisors (see below), whose sum is σ = 41165362163376. Its totient is φ = 10623282343200.

The previous prime is 21246601611127. The next prime is 21246601611167. The reversal of 21246601611152 is 25111610664212.

It is an unprimeable number.

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, 16899527 + ... + 18113177.

Almost surely, 2^{21246601611152} is an apocalyptic number.

It is an amenable number.

21246601611152 is a deficient number, since it is larger than the sum of its proper divisors (19918760552224).

21246601611152 is a wasteful number, since it uses less digits than its factorization.

21246601611152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307806 (or 2307800 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 21246601611152 in words is "twenty-one trillion, two hundred forty-six billion, six hundred one million, six hundred eleven thousand, one hundred fifty-two".