11156086 has 4 divisors (see below), whose sum is σ = 16734132. Its totient is φ = 5578042.

The previous prime is 11156071. The next prime is 11156099. The reversal of 11156086 is 68065111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68065111 = 131 ⋅519581.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2789020 + ... + 2789023.

It is an arithmetic number, because the mean of its divisors is an integer number (4183533).

Almost surely, 2^11156086 is an apocalyptic number.

11156086 is a deficient number, since it is larger than the sum of its proper divisors (5578046).

11156086 is an equidigital number, since it uses as much as digits as its factorization.

11156086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5578045.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 11156086 is about 3340.0727536986. The cubic root of 11156086 is about 223.4449881038. Note that the first 3 decimals are identical.

The spelling of 11156086 in words is "eleven million, one hundred fifty-six thousand, eighty-six".