325545709081500 has 1152 divisors, whose sum is σ = 1147682390400000. Its totient is φ = 79451093376000.

The previous prime is 325545709081471. The next prime is 325545709081501. The reversal of 325545709081500 is 5180907545523.

325545709081500 is a `hidden beast` number, since 3 + 2 + 5 + 5 + 4 + 57 + 0 + 9 + 0 + 81 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325545709081501) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 258574827871 + ... + 258574829129.

It is an arithmetic number, because the mean of its divisors is an integer number (996252075000).

Almost surely, 2^{325545709081500} is an apocalyptic number.

325545709081500 is a gapful number since it is divisible by the number (30) 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 325545709081500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (573841195200000).

325545709081500 is an abundant number, since it is smaller than the sum of its proper divisors (822136681318500).

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

325545709081500 is a wasteful number, since it uses less digits than its factorization.

325545709081500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417 (or 2368 counting only the distinct ones).

The product of its (nonzero) digits is 7560000, while the sum is 54.

The spelling of 325545709081500 in words is "three hundred twenty-five trillion, five hundred forty-five billion, seven hundred nine million, eighty-one thousand, five hundred".