11663204536 has 32 divisors (see below), whose sum is σ = 22342314240. Its totient is φ = 5705349088.

The previous prime is 11663204533. The next prime is 11663204537. The reversal of 11663204536 is 63540236611.

11663204536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11663204495 and 11663204504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11663204533) 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, 1471095 + ... + 1479001.

It is an arithmetic number, because the mean of its divisors is an integer number (698197320).

Almost surely, 2^11663204536 is an apocalyptic number.

It is an amenable number.

11663204536 is a deficient number, since it is larger than the sum of its proper divisors (10679109704).

11663204536 is a wasteful number, since it uses less digits than its factorization.

11663204536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11883 (or 11879 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 11663204536 in words is "eleven billion, six hundred sixty-three million, two hundred four thousand, five hundred thirty-six".