11054405 has 4 divisors (see below), whose sum is σ = 13265292. Its totient is φ = 8843520.

The previous prime is 11054401. The next prime is 11054419. The reversal of 11054405 is 50445011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50445011 = 811 ⋅62201.

It can be written as a sum of positive squares in 2 ways, for example, as 5755201 + 5299204 = 2399^2 + 2302^2 .

It is not a de Polignac number, because 11054405 - 2² = 11054401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11054401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105436 + ... + 1105445.

It is an arithmetic number, because the mean of its divisors is an integer number (3316323).

Almost surely, 2^11054405 is an apocalyptic number.

It is an amenable number.

11054405 is a deficient number, since it is larger than the sum of its proper divisors (2210887).

11054405 is an equidigital number, since it uses as much as digits as its factorization.

11054405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210886.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 11054405 is about 3324.8165362919. The cubic root of 11054405 is about 222.7640596791.

Adding to 11054405 its reverse (50445011), we get a palindrome (61499416).

The spelling of 11054405 in words is "eleven million, fifty-four thousand, four hundred five".