11156100112 has 20 divisors (see below), whose sum is σ = 21630114220. Its totient is φ = 5574135168.

The previous prime is 11156100101. The next prime is 11156100121. The reversal of 11156100112 is 21100165111.

It can be written as a sum of positive squares in 2 ways, for example, as 6605788176 + 4550311936 = 81276^2 + 67456^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11156100112.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 221103 + ... + 266830.

It is an arithmetic number, because the mean of its divisors is an integer number (1081505711).

Almost surely, 2^11156100112 is an apocalyptic number.

It is an amenable number.

11156100112 is a deficient number, since it is larger than the sum of its proper divisors (10474014108).

11156100112 is a wasteful number, since it uses less digits than its factorization.

11156100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489370 (or 489364 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 19.

Adding to 11156100112 its reverse (21100165111), we get a palindrome (32256265223).

The spelling of 11156100112 in words is "eleven billion, one hundred fifty-six million, one hundred thousand, one hundred twelve".