11606563965 has 16 divisors (see below), whose sum is σ = 18706056768. Its totient is φ = 6144982656.

The previous prime is 11606563951. The next prime is 11606563967. The reversal of 11606563965 is 56936560611.

It is not a de Polignac number, because 11606563965 - 2⁵ = 11606563933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11606563967) 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, 2821927 + ... + 2826036.

It is an arithmetic number, because the mean of its divisors is an integer number (1169128548).

Almost surely, 2^11606563965 is an apocalyptic number.

11606563965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11606563965 is a deficient number, since it is larger than the sum of its proper divisors (7099492803).

11606563965 is a wasteful number, since it uses less digits than its factorization.

11606563965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5648108.

The product of its (nonzero) digits is 874800, while the sum is 48.

The spelling of 11606563965 in words is "eleven billion, six hundred six million, five hundred sixty-three thousand, nine hundred sixty-five".