21116150664512 has 56 divisors (see below), whose sum is σ = 42010260619392. Its totient is φ = 10530911283200.

The previous prime is 21116150664503. The next prime is 21116150664541. The reversal of 21116150664512 is 21546605161112.

It is a self number, because there is not a number n which added to its sum of digits gives 21116150664512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58614728 + ... + 58973880.

Almost surely, 2^{21116150664512} is an apocalyptic number.

It is an amenable number.

21116150664512 is a deficient number, since it is larger than the sum of its proper divisors (20894109954880).

21116150664512 is a wasteful number, since it uses less digits than its factorization.

21116150664512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361527 (or 361517 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 21116150664512 in words is "twenty-one trillion, one hundred sixteen billion, one hundred fifty million, six hundred sixty-four thousand, five hundred twelve".