2011136 has 26 divisors (see below), whose sum is σ = 4029972. Its totient is φ = 1003520.

The previous prime is 2011129. The next prime is 2011147. The reversal of 2011136 is 6311102.

It is a nialpdrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 2011136.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3851 + ... + 4341.

2^2011136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2014986).

2011136 is an abundant number, since it is smaller than the sum of its proper divisors (2018836).

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

2011136 is an frugal number, since it uses more digits than its factorization.

2011136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2011136 is about 1418.1452675943. The cubic root of 2011136 is about 126.2255136644.

Adding to 2011136 its reverse (6311102), we get a palindrome (8322238).

The spelling of 2011136 in words is "two million, eleven thousand, one hundred thirty-six".