3605521560120 has 128 divisors (see below), whose sum is σ = 12025620806400. Its totient is φ = 960895168128.

The previous prime is 3605521560037. The next prime is 3605521560167. The reversal of 3605521560120 is 210651255063.

3605521560120 is a `hidden beast` number, since 3 + 6 + 0 + 5 + 5 + 21 + 5 + 601 + 20 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 799027 + ... + 2801693.

It is an arithmetic number, because the mean of its divisors is an integer number (93950162550).

Almost surely, 2^{3605521560120} is an apocalyptic number.

3605521560120 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 3605521560120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6012810403200).

3605521560120 is an abundant number, since it is smaller than the sum of its proper divisors (8420099246280).

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

3605521560120 is a wasteful number, since it uses less digits than its factorization.

3605521560120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004354 (or 2004344 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 3605521560120 in words is "three trillion, six hundred five billion, five hundred twenty-one million, five hundred sixty thousand, one hundred twenty".