11411405 has 4 divisors (see below), whose sum is σ = 13693692. Its totient is φ = 9129120.

The previous prime is 11411401. The next prime is 11411461. The reversal of 11411405 is 50411411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50411411 = 3527 ⋅14293.

It can be written as a sum of positive squares in 2 ways, for example, as 2399401 + 9012004 = 1549^2 + 3002^2 .

It is not a de Polignac number, because 11411405 - 2² = 11411401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11411401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1141136 + ... + 1141145.

It is an arithmetic number, because the mean of its divisors is an integer number (3423423).

Almost surely, 2^11411405 is an apocalyptic number.

It is an amenable number.

11411405 is a deficient number, since it is larger than the sum of its proper divisors (2282287).

11411405 is an equidigital number, since it uses as much as digits as its factorization.

11411405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282286.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 11411405 is about 3378.0771157568. The cubic root of 11411405 is about 225.1367399271.

Adding to 11411405 its reverse (50411411), we get a palindrome (61822816).

The spelling of 11411405 in words is "eleven million, four hundred eleven thousand, four hundred five".