21316414005054 has 96 divisors (see below), whose sum is σ = 55190987078400. Its totient is φ = 6080751537840.

The previous prime is 21316414005049. The next prime is 21316414005067. The reversal of 21316414005054 is 45050041461312.

21316414005054 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 6 + 4 + 140 + 0 + 505 + 4 = 666.

It is a super-3 number, since 3×21316414005054³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4713964 + ... + 8053215.

It is an arithmetic number, because the mean of its divisors is an integer number (574906115400).

Almost surely, 2^{21316414005054} is an apocalyptic number.

21316414005054 is an abundant number, since it is smaller than the sum of its proper divisors (33874573073346).

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

21316414005054 is a wasteful number, since it uses less digits than its factorization.

21316414005054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12767835 (or 12767822 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 21316414005054 its reverse (45050041461312), we get a palindrome (66366455466366).

The spelling of 21316414005054 in words is "twenty-one trillion, three hundred sixteen billion, four hundred fourteen million, five thousand, fifty-four".