325355553510 has 128 divisors (see below), whose sum is σ = 850310939520. Its totient is φ = 79669444608.

The previous prime is 325355553499. The next prime is 325355553511. The reversal of 325355553510 is 15355553523.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325355553511) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 12707842 + ... + 12733418.

It is an arithmetic number, because the mean of its divisors is an integer number (6643054215).

Almost surely, 2^325355553510 is an apocalyptic number.

325355553510 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 325355553510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425155469760).

325355553510 is an abundant number, since it is smaller than the sum of its proper divisors (524955386010).

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

325355553510 is a wasteful number, since it uses less digits than its factorization.

325355553510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25819 (or 25793 counting only the distinct ones).

The product of its (nonzero) digits is 843750, while the sum is 42.

The spelling of 325355553510 in words is "three hundred twenty-five billion, three hundred fifty-five million, five hundred fifty-three thousand, five hundred ten".