3580803116561 has 8 divisors (see below), whose sum is σ = 3906345145248. Its totient is φ = 3255263500000.

The previous prime is 3580803116557. The next prime is 3580803116567. The reversal of 3580803116561 is 1656113080853.

3580803116561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3580803116561 - 2² = 3580803116557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3580803116567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4086686 + ... + 4884936.

It is an arithmetic number, because the mean of its divisors is an integer number (488293143156).

Almost surely, 2^{3580803116561} is an apocalyptic number.

It is an amenable number.

3580803116561 is a deficient number, since it is larger than the sum of its proper divisors (325542028687).

3580803116561 is a wasteful number, since it uses less digits than its factorization.

3580803116561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206063.

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 3580803116561 in words is "three trillion, five hundred eighty billion, eight hundred three million, one hundred sixteen thousand, five hundred sixty-one".