2611320361 has 4 divisors (see below), whose sum is σ = 2812191172. Its totient is φ = 2410449552.

The previous prime is 2611320337. The next prime is 2611320367. The reversal of 2611320361 is 1630231162.

2611320361 is digitally balanced in base 2, 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 721244736 + 1890075625 = 26856^2 + 43475^2 .

It is a cyclic number.

It is not a de Polignac number, because 2611320361 - 2⁹ = 2611319849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2611320367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100435386 + ... + 100435411.

It is an arithmetic number, because the mean of its divisors is an integer number (703047793).

Almost surely, 2^2611320361 is an apocalyptic number.

It is an amenable number.

2611320361 is a deficient number, since it is larger than the sum of its proper divisors (200870811).

2611320361 is a wasteful number, since it uses less digits than its factorization.

2611320361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200870810.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2611320361 is about 51101.0798418194. The cubic root of 2611320361 is about 1377.0616540852.

The spelling of 2611320361 in words is "two billion, six hundred eleven million, three hundred twenty thousand, three hundred sixty-one".