5321521025400 has 192 divisors, whose sum is σ = 16638890980320. Its totient is φ = 1406892441600.

The previous prime is 5321521025383. The next prime is 5321521025479. The reversal of 5321521025400 is 45201251235.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33850980 + ... + 34007820.

Almost surely, 2^{5321521025400} is an apocalyptic number.

5321521025400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5321521025400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8319445490160).

5321521025400 is an abundant number, since it is smaller than the sum of its proper divisors (11317369954920).

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

5321521025400 is a wasteful number, since it uses less digits than its factorization.

5321521025400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157346 (or 157337 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 5321521025400 its reverse (45201251235), we get a palindrome (5366722276635).

The spelling of 5321521025400 in words is "five trillion, three hundred twenty-one billion, five hundred twenty-one million, twenty-five thousand, four hundred".