11546641563 has 16 divisors (see below), whose sum is σ = 16217097600. Its totient is φ = 7287537600.

The previous prime is 11546641559. The next prime is 11546641571. The reversal of 11546641563 is 36514664511.

11546641563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11546641563 - 2² = 11546641559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11546641543) 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, 12903 + ... + 152511.

It is an arithmetic number, because the mean of its divisors is an integer number (1013568600).

Almost surely, 2^11546641563 is an apocalyptic number.

11546641563 is a deficient number, since it is larger than the sum of its proper divisors (4670456037).

11546641563 is a wasteful number, since it uses less digits than its factorization.

11546641563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141082.

The product of its digits is 259200, while the sum is 42.

The spelling of 11546641563 in words is "eleven billion, five hundred forty-six million, six hundred forty-one thousand, five hundred sixty-three".