3255561336500 has 384 divisors, whose sum is σ = 8253633024000. Its totient is φ = 1109404224000.

The previous prime is 3255561336463. The next prime is 3255561336539. The reversal of 3255561336500 is 56331655523.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5031779177 + ... + 5031779823.

It is an arithmetic number, because the mean of its divisors is an integer number (21493836000).

Almost surely, 2^{3255561336500} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3255561336500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4126816512000).

3255561336500 is an abundant number, since it is smaller than the sum of its proper divisors (4998071687500).

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

3255561336500 is a wasteful number, since it uses less digits than its factorization.

3255561336500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 1215000, while the sum is 44.

The spelling of 3255561336500 in words is "three trillion, two hundred fifty-five billion, five hundred sixty-one million, three hundred thirty-six thousand, five hundred".