11334403561 has 16 divisors (see below), whose sum is σ = 12364531200. Its totient is φ = 10327287168.

The previous prime is 11334403543. The next prime is 11334403567. The reversal of 11334403561 is 16530443311.

11334403561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11334403561 - 2²⁵ = 11300849129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11334403567) 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 15 ways as a sum of consecutive naturals, for example, 694230 + ... + 710368.

It is an arithmetic number, because the mean of its divisors is an integer number (772783200).

Almost surely, 2^11334403561 is an apocalyptic number.

It is an amenable number.

11334403561 is a deficient number, since it is larger than the sum of its proper divisors (1030127639).

11334403561 is a wasteful number, since it uses less digits than its factorization.

11334403561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16848.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 11334403561 its reverse (16530443311), we get a palindrome (27864846872).

The spelling of 11334403561 in words is "eleven billion, three hundred thirty-four million, four hundred three thousand, five hundred sixty-one".