11810285 has 4 divisors (see below), whose sum is σ = 14172348. Its totient is φ = 9448224.

The previous prime is 11810269. The next prime is 11810297. The reversal of 11810285 is 58201811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58201811 = 29 ⋅2006959.

It can be written as a sum of positive squares in 2 ways, for example, as 2256004 + 9554281 = 1502^2 + 3091^2 .

It is a cyclic number.

It is not a de Polignac number, because 11810285 - 2⁴ = 11810269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181024 + ... + 1181033.

It is an arithmetic number, because the mean of its divisors is an integer number (3543087).

Almost surely, 2^11810285 is an apocalyptic number.

It is an amenable number.

11810285 is a deficient number, since it is larger than the sum of its proper divisors (2362063).

11810285 is an equidigital number, since it uses as much as digits as its factorization.

11810285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362062.

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 11810285 is about 3436.6095210250. The cubic root of 11810285 is about 227.7299369859.

The spelling of 11810285 in words is "eleven million, eight hundred ten thousand, two hundred eighty-five".