11806156 has 6 divisors (see below), whose sum is σ = 20660780. Its totient is φ = 5903076.

The previous prime is 11806147. The next prime is 11806189. The reversal of 11806156 is 65160811.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1475766 + ... + 1475773.

Almost surely, 2^11806156 is an apocalyptic number.

It is an amenable number.

11806156 is a deficient number, since it is larger than the sum of its proper divisors (8854624).

11806156 is a wasteful number, since it uses less digits than its factorization.

11806156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2951543 (or 2951541 counting only the distinct ones).

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

The square root of 11806156 is about 3436.0087310716. The cubic root of 11806156 is about 227.7033949645.

Adding to 11806156 its reverse (65160811), we get a palindrome (76966967).

The spelling of 11806156 in words is "eleven million, eight hundred six thousand, one hundred fifty-six".