11116853869 has 4 divisors (see below), whose sum is σ = 12127476960. Its totient is φ = 10106230780.

The previous prime is 11116853863. The next prime is 11116853987. The reversal of 11116853869 is 96835861111.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-11116853869 is a prime.

It is a super-2 number, since 2×11116853869² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11116853863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505311529 + ... + 505311550.

It is an arithmetic number, because the mean of its divisors is an integer number (3031869240).

Almost surely, 2^11116853869 is an apocalyptic number.

It is an amenable number.

11116853869 is a deficient number, since it is larger than the sum of its proper divisors (1010623091).

11116853869 is a wasteful number, since it uses less digits than its factorization.

11116853869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010623090.

The product of its digits is 311040, while the sum is 49.

The spelling of 11116853869 in words is "eleven billion, one hundred sixteen million, eight hundred fifty-three thousand, eight hundred sixty-nine".