1325431140000 has 480 divisors, whose sum is σ = 4853327238144. Its totient is φ = 313837440000.

The previous prime is 1325431139947. The next prime is 1325431140023. The reversal of 1325431140000 is 411345231.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 28356649 + ... + 28403351.

Almost surely, 2^{1325431140000} is an apocalyptic number.

1325431140000 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 1325431140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2426663619072).

1325431140000 is an abundant number, since it is smaller than the sum of its proper divisors (3527896098144).

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

1325431140000 is a wasteful number, since it uses less digits than its factorization.

1325431140000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46790 (or 46767 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 1325431140000 its reverse (411345231), we get a palindrome (1325842485231).

The spelling of 1325431140000 in words is "one trillion, three hundred twenty-five billion, four hundred thirty-one million, one hundred forty thousand".