11116536321 has 48 divisors (see below), whose sum is σ = 17211136320. Its totient is φ = 6359760000.

The previous prime is 11116536313. The next prime is 11116536349. The reversal of 11116536321 is 12363561111.

It is not a de Polignac number, because 11116536321 - 2³ = 11116536313 is a prime.

It is a super-2 number, since 2×11116536321² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11116536391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2018071 + ... + 2023571.

It is an arithmetic number, because the mean of its divisors is an integer number (358565340).

Almost surely, 2^11116536321 is an apocalyptic number.

11116536321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11116536321 is a deficient number, since it is larger than the sum of its proper divisors (6094599999).

11116536321 is a wasteful number, since it uses less digits than its factorization.

11116536321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5838 (or 5827 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

The spelling of 11116536321 in words is "eleven billion, one hundred sixteen million, five hundred thirty-six thousand, three hundred twenty-one".