11983563169 has 8 divisors (see below), whose sum is σ = 12657335040. Its totient is φ = 11314097136.

The previous prime is 11983563149. The next prime is 11983563187. The reversal of 11983563169 is 96136538911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11983563169 - 2²⁵ = 11950008737 is a prime.

It is a super-2 number, since 2×11983563169² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11983563149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070737 + ... + 1081870.

It is an arithmetic number, because the mean of its divisors is an integer number (1582166880).

Almost surely, 2^11983563169 is an apocalyptic number.

11983563169 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11983563169 is a deficient number, since it is larger than the sum of its proper divisors (673771871).

11983563169 is a wasteful number, since it uses less digits than its factorization.

11983563169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152919.

The product of its digits is 1049760, while the sum is 52.

The spelling of 11983563169 in words is "eleven billion, nine hundred eighty-three million, five hundred sixty-three thousand, one hundred sixty-nine".