11185061 has 4 divisors (see below), whose sum is σ = 11671392. Its totient is φ = 10698732.

The previous prime is 11185049. The next prime is 11185081. The reversal of 11185061 is 16058111.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 11185061 - 2¹⁰ = 11184037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 486307 = 11185061 / (1 + 1 + 1 + 8 + 5 + 0 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11185001) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 243131 + ... + 243176.

It is an arithmetic number, because the mean of its divisors is an integer number (2917848).

Almost surely, 2^11185061 is an apocalyptic number.

It is an amenable number.

11185061 is a deficient number, since it is larger than the sum of its proper divisors (486331).

11185061 is an equidigital number, since it uses as much as digits as its factorization.

11185061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486330.

The product of its (nonzero) digits is 240, while the sum is 23.

The square root of 11185061 is about 3344.4074213528. The cubic root of 11185061 is about 223.6382674042.

The spelling of 11185061 in words is "eleven million, one hundred eighty-five thousand, sixty-one".