5321512115040 has 384 divisors, whose sum is σ = 18923676710400. Its totient is φ = 1245153853440.

The previous prime is 5321512115027. The next prime is 5321512115113. The reversal of 5321512115040 is 405112151235.

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

It is a junction number, because it is equal to n+sod(n) for n = 5321512114989 and 5321512115007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 815054496 + ... + 815061024.

It is an arithmetic number, because the mean of its divisors is an integer number (49280408100).

Almost surely, 2^{5321512115040} 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 5321512115040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9461838355200).

5321512115040 is an abundant number, since it is smaller than the sum of its proper divisors (13602164595360).

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

5321512115040 is a wasteful number, since it uses less digits than its factorization.

5321512115040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11910 (or 11902 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 5321512115040 its reverse (405112151235), we get a palindrome (5726624266275).

The spelling of 5321512115040 in words is "five trillion, three hundred twenty-one billion, five hundred twelve million, one hundred fifteen thousand, forty".