5221555510520 has 128 divisors (see below), whose sum is σ = 12386497536000. Its totient is φ = 1975553141760.

The previous prime is 5221555510519. The next prime is 5221555510531. The reversal of 5221555510520 is 250155551225.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2332091561 + ... + 2332093799.

It is an arithmetic number, because the mean of its divisors is an integer number (96769512000).

Almost surely, 2^{5221555510520} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5221555510520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6193248768000).

5221555510520 is an abundant number, since it is smaller than the sum of its proper divisors (7164942025480).

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

5221555510520 is a wasteful number, since it uses less digits than its factorization.

5221555510520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5773 (or 5769 counting only the distinct ones).

The product of its (nonzero) digits is 125000, while the sum is 38.

The spelling of 5221555510520 in words is "five trillion, two hundred twenty-one billion, five hundred fifty-five million, five hundred ten thousand, five hundred twenty".