11158916 has 6 divisors (see below), whose sum is σ = 19528110. Its totient is φ = 5579456.

The previous prime is 11158907. The next prime is 11158921. The reversal of 11158916 is 61985111.

It can be written as a sum of positive squares in only one way, i.e., 6553600 + 4605316 = 2560^2 + 2146^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1394861 + ... + 1394868.

It is an arithmetic number, because the mean of its divisors is an integer number (3254685).

Almost surely, 2^11158916 is an apocalyptic number.

It is an amenable number.

11158916 is a deficient number, since it is larger than the sum of its proper divisors (8369194).

11158916 is a wasteful number, since it uses less digits than its factorization.

11158916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789733 (or 2789731 counting only the distinct ones).

The product of its digits is 2160, while the sum is 32.

The square root of 11158916 is about 3340.4963703019. The cubic root of 11158916 is about 223.4638805079.

The spelling of 11158916 in words is "eleven million, one hundred fifty-eight thousand, nine hundred sixteen".