11551112 has 16 divisors (see below), whose sum is σ = 21718860. Its totient is φ = 5759424.

The previous prime is 11551103. The next prime is 11551117. The reversal of 11551112 is 21115511.

It can be written as a sum of positive squares in 2 ways, for example, as 10982596 + 568516 = 3314^2 + 754^2 .

It is not an unprimeable number, because it can be changed into a prime (11551117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358 + ... + 4994.

Almost surely, 2^11551112 is an apocalyptic number.

It is an amenable number.

11551112 is a deficient number, since it is larger than the sum of its proper divisors (10167748).

11551112 is a wasteful number, since it uses less digits than its factorization.

11551112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040 (or 4036 counting only the distinct ones).

The product of its digits is 50, while the sum is 17.

The square root of 11551112 is about 3398.6926898441. The cubic root of 11551112 is about 226.0517802361.

Adding to 11551112 its reverse (21115511), we get a palindrome (32666623).

The spelling of 11551112 in words is "eleven million, five hundred fifty-one thousand, one hundred twelve".