5220660571520 has 128 divisors (see below), whose sum is σ = 13201682063040. Its totient is φ = 1970107121664.

The previous prime is 5220660571507. The next prime is 5220660571559. The reversal of 5220660571520 is 251750660225.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×5220660571520² (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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1354649 + ... + 3503768.

Almost surely, 2^{5220660571520} is an apocalyptic number.

It is an amenable number.

5220660571520 is an abundant number, since it is smaller than the sum of its proper divisors (7981021491520).

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

5220660571520 is a wasteful number, since it uses less digits than its factorization.

5220660571520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4858532 (or 4858520 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 5220660571520 in words is "five trillion, two hundred twenty billion, six hundred sixty million, five hundred seventy-one thousand, five hundred twenty".