3561794180052 has 96 divisors (see below), whose sum is σ = 8820450422784. Its totient is φ = 1116325056000.

The previous prime is 3561794180047. The next prime is 3561794180069. The reversal of 3561794180052 is 2500814971653.

It is a junction number, because it is equal to n+sod(n) for n = 3561794179977 and 3561794180004.

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, 6334177 + ... + 6873527.

It is an arithmetic number, because the mean of its divisors is an integer number (91879691904).

It is a 1-persistent number, because it is pandigital, but 2⋅3561794180052 = 7123588360104 is not.

Almost surely, 2^{3561794180052} 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 3561794180052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4410225211392).

3561794180052 is an abundant number, since it is smaller than the sum of its proper divisors (5258656242732).

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

3561794180052 is a wasteful number, since it uses less digits than its factorization.

3561794180052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539789 (or 539787 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 51.

The spelling of 3561794180052 in words is "three trillion, five hundred sixty-one billion, seven hundred ninety-four million, one hundred eighty thousand, fifty-two".