5043405021520 has 40 divisors (see below), whose sum is σ = 11726345856456. Its totient is φ = 2017288171008.

The previous prime is 5043405021481. The next prime is 5043405021559. The reversal of 5043405021520 is 251205043405.

It is an interprime number because it is at equal distance from previous prime (5043405021481) and next prime (5043405021559).

It can be written as a sum of positive squares in 4 ways, for example, as 1727566096 + 5041677455424 = 41564^2 + 2245368^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×5043405021520² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1072354 + ... + 3352126.

Almost surely, 2^{5043405021520} is an apocalyptic number.

It is an amenable number.

5043405021520 is an abundant number, since it is smaller than the sum of its proper divisors (6682940834936).

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

5043405021520 is a wasteful number, since it uses less digits than its factorization.

5043405021520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307439 (or 2307433 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 5043405021520 in words is "five trillion, forty-three billion, four hundred five million, twenty-one thousand, five hundred twenty".