11411985 has 32 divisors (see below), whose sum is σ = 20135808. Its totient is φ = 5483520.

The previous prime is 11411969. The next prime is 11411987. The reversal of 11411985 is 58911411.

It is a happy number.

It is not a de Polignac number, because 11411985 - 2⁴ = 11411969 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (11411987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7705 + ... + 9065.

It is an arithmetic number, because the mean of its divisors is an integer number (629244).

Almost surely, 2^11411985 is an apocalyptic number.

11411985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11411985 is a deficient number, since it is larger than the sum of its proper divisors (8723823).

11411985 is a wasteful number, since it uses less digits than its factorization.

11411985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425.

The product of its digits is 1440, while the sum is 30.

The square root of 11411985 is about 3378.1629623214. The cubic root of 11411985 is about 225.1405541549.

The spelling of 11411985 in words is "eleven million, four hundred eleven thousand, nine hundred eighty-five".