11768389563 has 16 divisors (see below), whose sum is σ = 17964654336. Its totient is φ = 6712842720.

The previous prime is 11768389541. The next prime is 11768389579. The reversal of 11768389563 is 36598386711.

It is not a de Polignac number, because 11768389563 - 2²² = 11764195259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11768389583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485868 + ... + 509513.

It is an arithmetic number, because the mean of its divisors is an integer number (1122790896).

Almost surely, 2^11768389563 is an apocalyptic number.

11768389563 is a deficient number, since it is larger than the sum of its proper divisors (6196264773).

11768389563 is an equidigital number, since it uses as much as digits as its factorization.

11768389563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995954.

The product of its digits is 6531840, while the sum is 57.

The spelling of 11768389563 in words is "eleven billion, seven hundred sixty-eight million, three hundred eighty-nine thousand, five hundred sixty-three".