11611085 has 8 divisors (see below), whose sum is σ = 14753016. Its totient is φ = 8742400.

The previous prime is 11611079. The next prime is 11611091. The reversal of 11611085 is 58011611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11611079) and next prime (11611091).

It can be written as a sum of positive squares in 4 ways, for example, as 1485961 + 10125124 = 1219^2 + 3182^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11611085 - 2⁴ = 11611069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11611085.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 68216 + ... + 68385.

It is an arithmetic number, because the mean of its divisors is an integer number (1844127).

Almost surely, 2^11611085 is an apocalyptic number.

It is an amenable number.

11611085 is a deficient number, since it is larger than the sum of its proper divisors (3141931).

11611085 is a wasteful number, since it uses less digits than its factorization.

11611085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136623.

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

The square root of 11611085 is about 3407.5042186328. The cubic root of 11611085 is about 226.4423229634.

Adding to 11611085 its reverse (58011611), we get a palindrome (69622696).

The spelling of 11611085 in words is "eleven million, six hundred eleven thousand, eighty-five".