1325240550000 has 720 divisors, whose sum is σ = 4831534824480. Its totient is φ = 338661120000.

The previous prime is 1325240549911. The next prime is 1325240550013. The reversal of 1325240550000 is 550425231.

It is a happy number.

1325240550000 is a `hidden beast` number, since 1 + 3 + 252 + 405 + 5 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2257649707 + ... + 2257650293.

It is an arithmetic number, because the mean of its divisors is an integer number (6710465034).

Almost surely, 2^{1325240550000} is an apocalyptic number.

1325240550000 is a gapful number since it is divisible by the number (10) 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 1325240550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2415767412240).

1325240550000 is an abundant number, since it is smaller than the sum of its proper divisors (3506294274480).

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

1325240550000 is a wasteful number, since it uses less digits than its factorization.

1325240550000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 799 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 1325240550000 its reverse (550425231), we get a palindrome (1325790975231).

The spelling of 1325240550000 in words is "one trillion, three hundred twenty-five billion, two hundred forty million, five hundred fifty thousand".