11557116 has 18 divisors (see below), whose sum is σ = 29213912. Its totient is φ = 3852360.

The previous prime is 11557099. The next prime is 11557129. The reversal of 11557116 is 61175511.

It is a happy number.

11557116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 11557116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 160480 + ... + 160551.

Almost surely, 2^11557116 is an apocalyptic number.

It is an amenable number.

11557116 is an abundant number, since it is smaller than the sum of its proper divisors (17656796).

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

11557116 is a wasteful number, since it uses less digits than its factorization.

11557116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321041 (or 321036 counting only the distinct ones).

The product of its digits is 1050, while the sum is 27.

The square root of 11557116 is about 3399.5758558973. The cubic root of 11557116 is about 226.0909389424.

The spelling of 11557116 in words is "eleven million, five hundred fifty-seven thousand, one hundred sixteen".