11611263211 has 8 divisors (see below), whose sum is σ = 12580192944. Its totient is φ = 10674101760.

The previous prime is 11611263199. The next prime is 11611263221. The reversal of 11611263211 is 11236211611.

11611263211 is digitally balanced in base 2, 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 11611263211 - 2¹¹ = 11611261163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11611263221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7941310 + ... + 7942771.

It is an arithmetic number, because the mean of its divisors is an integer number (1572524118).

Almost surely, 2^11611263211 is an apocalyptic number.

11611263211 is a deficient number, since it is larger than the sum of its proper divisors (968929733).

11611263211 is a wasteful number, since it uses less digits than its factorization.

11611263211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15884141.

The product of its digits is 432, while the sum is 25.

Adding to 11611263211 its reverse (11236211611), we get a palindrome (22847474822).

The spelling of 11611263211 in words is "eleven billion, six hundred eleven million, two hundred sixty-three thousand, two hundred eleven".