21103536482424 has 64 divisors (see below), whose sum is σ = 63950110560000. Its totient is φ = 6395011054560.

The previous prime is 21103536482423. The next prime is 21103536482437. The reversal of 21103536482424 is 42428463530112.

21103536482424 is a `hidden beast` number, since 2 + 1 + 10 + 3 + 536 + 4 + 82 + 4 + 24 = 666.

It is a super-3 number, since 3×21103536482424³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21103536482424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21103536482423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4440977524 + ... + 4440982275.

It is an arithmetic number, because the mean of its divisors is an integer number (999220477500).

Almost surely, 2^{21103536482424} is an apocalyptic number.

21103536482424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21103536482424 is an abundant number, since it is smaller than the sum of its proper divisors (42846574077576).

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

21103536482424 is a wasteful number, since it uses less digits than its factorization.

21103536482424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8881959825 (or 8881959815 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 21103536482424 in words is "twenty-one trillion, one hundred three billion, five hundred thirty-six million, four hundred eighty-two thousand, four hundred twenty-four".