1325481322032 has 640 divisors, whose sum is σ = 4607720325120. Its totient is φ = 356951992320.

The previous prime is 1325481322003. The next prime is 1325481322037. The reversal of 1325481322032 is 2302231845231.

1325481322032 is a `hidden beast` number, since 1 + 3 + 254 + 81 + 322 + 0 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1325481322037) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 446138307 + ... + 446141277.

It is an arithmetic number, because the mean of its divisors is an integer number (7199563008).

Almost surely, 2^{1325481322032} is an apocalyptic number.

1325481322032 is a gapful number since it is divisible by the number (12) 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 1325481322032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2303860162560).

1325481322032 is an abundant number, since it is smaller than the sum of its proper divisors (3282239003088).

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

1325481322032 is a wasteful number, since it uses less digits than its factorization.

1325481322032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158 (or 3146 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 1325481322032 in words is "one trillion, three hundred twenty-five billion, four hundred eighty-one million, three hundred twenty-two thousand, thirty-two".