21404055114412 has 24 divisors (see below), whose sum is σ = 39968639337200. Its totient is φ = 9999875782656.

The previous prime is 21404055114389. The next prime is 21404055114433. The reversal of 21404055114412 is 21441155040412.

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, 1928982837 + ... + 1928993932.

Almost surely, 2^{21404055114412} is an apocalyptic number.

It is an amenable number.

21404055114412 is a deficient number, since it is larger than the sum of its proper divisors (18564584222788).

21404055114412 is a wasteful number, since it uses less digits than its factorization.

21404055114412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3857976865 (or 3857976863 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The spelling of 21404055114412 in words is "twenty-one trillion, four hundred four billion, fifty-five million, one hundred fourteen thousand, four hundred twelve".