11564680727 has 12 divisors (see below), whose sum is σ = 11979393120. Its totient is φ = 11163883680.

The previous prime is 11564680723. The next prime is 11564680741. The reversal of 11564680727 is 72708646511.

It is not a de Polignac number, because 11564680727 - 2² = 11564680723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11564680723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 378338 + ... + 407760.

It is an arithmetic number, because the mean of its divisors is an integer number (998282760).

Almost surely, 2^11564680727 is an apocalyptic number.

11564680727 is a deficient number, since it is larger than the sum of its proper divisors (414712393).

11564680727 is an equidigital number, since it uses as much as digits as its factorization.

11564680727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29894 (or 29863 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 11564680727 in words is "eleven billion, five hundred sixty-four million, six hundred eighty thousand, seven hundred twenty-seven".