11391112 has 16 divisors (see below), whose sum is σ = 21879900. Its totient is φ = 5556480.

The previous prime is 11391101. The next prime is 11391119. The reversal of 11391112 is 21119311.

It can be written as a sum of positive squares in 2 ways, for example, as 7650756 + 3740356 = 2766^2 + 1934^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11391112.

It is not an unprimeable number, because it can be changed into a prime (11391119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17037 + ... + 17692.

Almost surely, 2^11391112 is an apocalyptic number.

It is an amenable number.

11391112 is a deficient number, since it is larger than the sum of its proper divisors (10488788).

11391112 is a wasteful number, since it uses less digits than its factorization.

11391112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34776 (or 34772 counting only the distinct ones).

The product of its digits is 54, while the sum is 19.

The square root of 11391112 is about 3375.0721473770. The cubic root of 11391112 is about 225.0032065387.

The spelling of 11391112 in words is "eleven million, three hundred ninety-one thousand, one hundred twelve".