2661134211 has 12 divisors (see below), whose sum is σ = 3906875440. Its totient is φ = 1745005680.

The previous prime is 2661134153. The next prime is 2661134257. The reversal of 2661134211 is 1124311662.

It is a happy number.

2661134211 is a `hidden beast` number, since 2 + 6 + 611 + 3 + 42 + 1 + 1 = 666.

It is not a de Polignac number, because 2661134211 - 2¹⁰ = 2661133187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2661134111) 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 11 ways as a sum of consecutive naturals, for example, 2423071 + ... + 2424168.

Almost surely, 2^2661134211 is an apocalyptic number.

2661134211 is a deficient number, since it is larger than the sum of its proper divisors (1245741229).

2661134211 is a wasteful number, since it uses less digits than its factorization.

2661134211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4847306 (or 4847303 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2661134211 is about 51586.1823650481. The cubic root of 2661134211 is about 1385.7628871065.

Adding to 2661134211 its reverse (1124311662), we get a palindrome (3785445873).

The spelling of 2661134211 in words is "two billion, six hundred sixty-one million, one hundred thirty-four thousand, two hundred eleven".