3561213113305 has 8 divisors (see below), whose sum is σ = 4273483485312. Its totient is φ = 2848951991088.

The previous prime is 3561213113281. The next prime is 3561213113323. The reversal of 3561213113305 is 5033113121653.

It is a happy number.

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 3561213113305 - 2¹¹ = 3561213111257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1435179 + ... + 3030208.

It is an arithmetic number, because the mean of its divisors is an integer number (534185435664).

Almost surely, 2^{3561213113305} is an apocalyptic number.

It is an amenable number.

3561213113305 is a deficient number, since it is larger than the sum of its proper divisors (712270372007).

3561213113305 is a wasteful number, since it uses less digits than its factorization.

3561213113305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4624895.

The product of its (nonzero) digits is 24300, while the sum is 34.

Adding to 3561213113305 its reverse (5033113121653), we get a palindrome (8594326234958).

The spelling of 3561213113305 in words is "three trillion, five hundred sixty-one billion, two hundred thirteen million, one hundred thirteen thousand, three hundred five".