11156836 has 12 divisors (see below), whose sum is σ = 19618480. Its totient is φ = 5551560.

The previous prime is 11156833. The next prime is 11156837. The reversal of 11156836 is 63865111.

11156836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11156798 and 11156807.

It is not an unprimeable number, because it can be changed into a prime (11156833) 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, 5766 + ... + 7453.

Almost surely, 2^11156836 is an apocalyptic number.

It is an amenable number.

11156836 is a deficient number, since it is larger than the sum of its proper divisors (8461644).

11156836 is a wasteful number, since it uses less digits than its factorization.

11156836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13434 (or 13432 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The square root of 11156836 is about 3340.1850248152. The cubic root of 11156836 is about 223.4499952358.

The spelling of 11156836 in words is "eleven million, one hundred fifty-six thousand, eight hundred thirty-six".