11124455 has 4 divisors (see below), whose sum is σ = 13349352. Its totient is φ = 8899560.

The previous prime is 11124439. The next prime is 11124461. The reversal of 11124455 is 55442111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55442111 = 3407 ⋅16273.

It is not a de Polignac number, because 11124455 - 2⁴ = 11124439 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 11124455.

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, 1112441 + ... + 1112450.

It is an arithmetic number, because the mean of its divisors is an integer number (3337338).

Almost surely, 2^11124455 is an apocalyptic number.

11124455 is a deficient number, since it is larger than the sum of its proper divisors (2224897).

11124455 is an equidigital number, since it uses as much as digits as its factorization.

11124455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224896.

The product of its digits is 800, while the sum is 23.

The square root of 11124455 is about 3335.3343160769. The cubic root of 11124455 is about 223.2336093473.

Adding to 11124455 its reverse (55442111), we get a palindrome (66566566).

The spelling of 11124455 in words is "eleven million, one hundred twenty-four thousand, four hundred fifty-five".