11051917 has 4 divisors (see below), whose sum is σ = 11074140. Its totient is φ = 11029696.

The previous prime is 11051899. The next prime is 11051933. The reversal of 11051917 is 71915011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6007401 + 5044516 = 2451^2 + 2246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11051917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11051891 and 11051900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11051947) 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, 10348 + ... + 11365.

It is an arithmetic number, because the mean of its divisors is an integer number (2768535).

Almost surely, 2^11051917 is an apocalyptic number.

It is an amenable number.

11051917 is a deficient number, since it is larger than the sum of its proper divisors (22223).

11051917 is an equidigital number, since it uses as much as digits as its factorization.

11051917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22222.

The product of its (nonzero) digits is 315, while the sum is 25.

The square root of 11051917 is about 3324.4423592537. The cubic root of 11051917 is about 222.7473460232.

Adding to 11051917 its reverse (71915011), we get a palindrome (82966928).

The spelling of 11051917 in words is "eleven million, fifty-one thousand, nine hundred seventeen".