11161012 has 6 divisors (see below), whose sum is σ = 19531778. Its totient is φ = 5580504.

The previous prime is 11161009. The next prime is 11161019. The reversal of 11161012 is 21016111.

11161012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6170256 + 4990756 = 2484^2 + 2234^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11160983 and 11161001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11161019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1395123 + ... + 1395130.

Almost surely, 2^11161012 is an apocalyptic number.

It is an amenable number.

11161012 is a deficient number, since it is larger than the sum of its proper divisors (8370766).

11161012 is a wasteful number, since it uses less digits than its factorization.

11161012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790257 (or 2790255 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 11161012 is about 3340.8100814024. The cubic root of 11161012 is about 223.4778708444.

Adding to 11161012 its reverse (21016111), we get a palindrome (32177123).

The spelling of 11161012 in words is "eleven million, one hundred sixty-one thousand, twelve".