5131225203520 has 224 divisors, whose sum is σ = 13200715227168. Its totient is φ = 1888558743552.

The previous prime is 5131225203473. The next prime is 5131225203521. The reversal of 5131225203520 is 253025221315.

It can be written as a sum of positive squares in 16 ways, for example, as 2344916441344 + 2786308762176 = 1531312^2 + 1669224^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131225203521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2177014182 + ... + 2177016538.

It is an arithmetic number, because the mean of its divisors is an integer number (58931764407).

Almost surely, 2^{5131225203520} 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 5131225203520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6600357613584).

5131225203520 is an abundant number, since it is smaller than the sum of its proper divisors (8069490023648).

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

5131225203520 is a wasteful number, since it uses less digits than its factorization.

5131225203520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837 (or 3827 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 5131225203520 in words is "five trillion, one hundred thirty-one billion, two hundred twenty-five million, two hundred three thousand, five hundred twenty".