11158994 has 16 divisors (see below), whose sum is σ = 20869056. Its totient is φ = 4347600.

The previous prime is 11158993. The next prime is 11159009. The reversal of 11158994 is 49985111.

It is not an unprimeable number, because it can be changed into a prime (11158993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36077 + ... + 36384.

It is an arithmetic number, because the mean of its divisors is an integer number (1304316).

Almost surely, 2^11158994 is an apocalyptic number.

11158994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11158994 is a deficient number, since it is larger than the sum of its proper divisors (9710062).

11158994 is a wasteful number, since it uses less digits than its factorization.

11158994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72481.

The product of its digits is 12960, while the sum is 38.

The square root of 11158994 is about 3340.5080451931. The cubic root of 11158994 is about 223.4644011720.

The spelling of 11158994 in words is "eleven million, one hundred fifty-eight thousand, nine hundred ninety-four".