11763230561 has 4 divisors (see below), whose sum is σ = 12274675392. Its totient is φ = 11251785732.

The previous prime is 11763230411. The next prime is 11763230569. The reversal of 11763230561 is 16503236711.

11763230561 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11763230561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11763230569) 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 3 ways as a sum of consecutive naturals, for example, 255722381 + ... + 255722426.

It is an arithmetic number, because the mean of its divisors is an integer number (3068668848).

Almost surely, 2^11763230561 is an apocalyptic number.

It is an amenable number.

11763230561 is a deficient number, since it is larger than the sum of its proper divisors (511444831).

11763230561 is an equidigital number, since it uses as much as digits as its factorization.

11763230561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511444830.

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 11763230561 in words is "eleven billion, seven hundred sixty-three million, two hundred thirty thousand, five hundred sixty-one".