11087816 has 8 divisors (see below), whose sum is σ = 20789670. Its totient is φ = 5543904.

The previous prime is 11087777. The next prime is 11087819. The reversal of 11087816 is 61878011.

11087816 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., 8352100 + 2735716 = 2890^2 + 1654^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (11087819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692981 + ... + 692996.

Almost surely, 2^11087816 is an apocalyptic number.

It is an amenable number.

11087816 is a deficient number, since it is larger than the sum of its proper divisors (9701854).

11087816 is a wasteful number, since it uses less digits than its factorization.

11087816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385983 (or 1385979 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 32.

The square root of 11087816 is about 3329.8372332593. The cubic root of 11087816 is about 222.9882624346.

The spelling of 11087816 in words is "eleven million, eighty-seven thousand, eight hundred sixteen".