11118764536 has 48 divisors (see below), whose sum is σ = 22931168400. Its totient is φ = 5050467840.

The previous prime is 11118764521. The next prime is 11118764543. The reversal of 11118764536 is 63546781111.

It is a happy number.

It is a super-2 number, since 2×11118764536² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11118764492 and 11118764501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1815816 + ... + 1821928.

It is an arithmetic number, because the mean of its divisors is an integer number (477732675).

Almost surely, 2^11118764536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11118764536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11465584200).

11118764536 is an abundant number, since it is smaller than the sum of its proper divisors (11812403864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11118764536 is a wasteful number, since it uses less digits than its factorization.

11118764536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8020 (or 8005 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The spelling of 11118764536 in words is "eleven billion, one hundred eighteen million, seven hundred sixty-four thousand, five hundred thirty-six".