11049861 has 4 divisors (see below), whose sum is σ = 14733152. Its totient is φ = 7366572.

The previous prime is 11049827. The next prime is 11049877. The reversal of 11049861 is 16894011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11049861 - 2⁹ = 11049349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11049161) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1841641 + ... + 1841646.

It is an arithmetic number, because the mean of its divisors is an integer number (3683288).

Almost surely, 2^11049861 is an apocalyptic number.

It is an amenable number.

11049861 is a deficient number, since it is larger than the sum of its proper divisors (3683291).

11049861 is an equidigital number, since it uses as much as digits as its factorization.

11049861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683290.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 11049861 is about 3324.1331200781. The cubic root of 11049861 is about 222.7335325238.

The spelling of 11049861 in words is "eleven million, forty-nine thousand, eight hundred sixty-one".