5321510242320 has 160 divisors (see below), whose sum is σ = 17065623158784. Its totient is φ = 1370326003200.

The previous prime is 5321510242283. The next prime is 5321510242343. The reversal of 5321510242320 is 232420151235.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 2672305 + ... + 4217135.

Almost surely, 2^{5321510242320} 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 5321510242320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8532811579392).

5321510242320 is an abundant number, since it is smaller than the sum of its proper divisors (11744112916464).

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

5321510242320 is a wasteful number, since it uses less digits than its factorization.

5321510242320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545341 (or 1545335 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 5321510242320 its reverse (232420151235), we get a palindrome (5553930393555).

The spelling of 5321510242320 in words is "five trillion, three hundred twenty-one billion, five hundred ten million, two hundred forty-two thousand, three hundred twenty".