11011109969 has 4 divisors (see below), whose sum is σ = 11011927920. Its totient is φ = 11010292020.

The previous prime is 11011109959. The next prime is 11011109971. The reversal of 11011109969 is 96990111011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11011109969 - 2²⁴ = 10994332753 is a prime.

It is a super-2 number, since 2×11011109969² (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 (11011109929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388439 + ... + 415820.

It is an arithmetic number, because the mean of its divisors is an integer number (2752981980).

Almost surely, 2^11011109969 is an apocalyptic number.

It is an amenable number.

11011109969 is a deficient number, since it is larger than the sum of its proper divisors (817951).

11011109969 is an equidigital number, since it uses as much as digits as its factorization.

11011109969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817950.

The product of its (nonzero) digits is 4374, while the sum is 38.

The spelling of 11011109969 in words is "eleven billion, eleven million, one hundred nine thousand, nine hundred sixty-nine".