3312302551561 has 4 divisors (see below), whose sum is σ = 3312494108932. Its totient is φ = 3312110994192.

The previous prime is 3312302551529. The next prime is 3312302551589. The reversal of 3312302551561 is 1651552032133.

3312302551561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 194097519225 + 3118205032336 = 440565^2 + 1765844^2 .

It is a cyclic number.

It is not a de Polignac number, because 3312302551561 - 2⁵ = 3312302551529 is a prime.

It is a super-2 number, since 2×3312302551561² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3312302551561.

It is not an unprimeable number, because it can be changed into a prime (3312302551511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95752746 + ... + 95787331.

It is an arithmetic number, because the mean of its divisors is an integer number (828123527233).

Almost surely, 2^{3312302551561} is an apocalyptic number.

It is an amenable number.

3312302551561 is a deficient number, since it is larger than the sum of its proper divisors (191557371).

3312302551561 is a wasteful number, since it uses less digits than its factorization.

3312302551561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191557370.

The product of its (nonzero) digits is 81000, while the sum is 37.

Adding to 3312302551561 its reverse (1651552032133), we get a palindrome (4963854583694).

The spelling of 3312302551561 in words is "three trillion, three hundred twelve billion, three hundred two million, five hundred fifty-one thousand, five hundred sixty-one".