11105897 has 4 divisors (see below), whose sum is σ = 12115536. Its totient is φ = 10096260.

The previous prime is 11105893. The next prime is 11105903. The reversal of 11105897 is 79850111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79850111 = 11 ⋅7259101.

It is a cyclic number.

It is not a de Polignac number, because 11105897 - 2² = 11105893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11105893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504803 + ... + 504824.

It is an arithmetic number, because the mean of its divisors is an integer number (3028884).

Almost surely, 2^11105897 is an apocalyptic number.

It is an amenable number.

11105897 is a deficient number, since it is larger than the sum of its proper divisors (1009639).

11105897 is a wasteful number, since it uses less digits than its factorization.

11105897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009638.

The product of its (nonzero) digits is 2520, while the sum is 32.

The square root of 11105897 is about 3332.5511248892. The cubic root of 11105897 is about 223.1094062548.

It can be divided in two parts, 1110 and 5897, that added together give a palindrome (7007).

The spelling of 11105897 in words is "eleven million, one hundred five thousand, eight hundred ninety-seven".