11156982 has 8 divisors (see below), whose sum is σ = 22313976. Its totient is φ = 3718992.

The previous prime is 11156963. The next prime is 11156983. The reversal of 11156982 is 28965111.

It is a sphenic number, since it is the product of 3 distinct primes.

11156982 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11156983) 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, 929743 + ... + 929754.

It is an arithmetic number, because the mean of its divisors is an integer number (2789247).

Almost surely, 2^11156982 is an apocalyptic number.

11156982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11156982 is a wasteful number, since it uses less digits than its factorization.

11156982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859502.

The product of its digits is 4320, while the sum is 33.

The square root of 11156982 is about 3340.2068798205. The cubic root of 11156982 is about 223.4509699314.

The spelling of 11156982 in words is "eleven million, one hundred fifty-six thousand, nine hundred eighty-two".