11805632969 has 16 divisors (see below), whose sum is σ = 12814490304. Its totient is φ = 10811438400.

The previous prime is 11805632963. The next prime is 11805632977. The reversal of 11805632969 is 96923650811.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11805632969 - 2²⁴ = 11788855753 is a prime.

It is a super-2 number, since 2×11805632969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11805632963) 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, 1098914 + ... + 1109604.

It is an arithmetic number, because the mean of its divisors is an integer number (800905644).

Almost surely, 2^11805632969 is an apocalyptic number.

It is an amenable number.

11805632969 is a deficient number, since it is larger than the sum of its proper divisors (1008857335).

11805632969 is a wasteful number, since it uses less digits than its factorization.

11805632969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11368.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 11805632969 in words is "eleven billion, eight hundred five million, six hundred thirty-two thousand, nine hundred sixty-nine".