21113481861414 has 20 divisors (see below), whose sum is σ = 47309838986124. Its totient is φ = 7037827287084.

The previous prime is 21113481861413. The next prime is 21113481861599. The reversal of 21113481861414 is 41416818431112.

21113481861414 is a `hidden beast` number, since 2 + 1 + 1 + 1 + 3 + 4 + 8 + 18 + 614 + 14 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 21113481861414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21113481861413) 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 9 ways as a sum of consecutive naturals, for example, 65165067312 + ... + 65165067635.

Almost surely, 2^{21113481861414} is an apocalyptic number.

21113481861414 is an abundant number, since it is smaller than the sum of its proper divisors (26196357124710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21113481861414 is a wasteful number, since it uses less digits than its factorization.

21113481861414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130330134961 (or 130330134952 counting only the distinct ones).

The product of its digits is 147456, while the sum is 45.

The spelling of 21113481861414 in words is "twenty-one trillion, one hundred thirteen billion, four hundred eighty-one million, eight hundred sixty-one thousand, four hundred fourteen".