11711113 has 4 divisors (see below), whose sum is σ = 12400020. Its totient is φ = 11022208.

The previous prime is 11711083. The next prime is 11711123. The reversal of 11711113 is 31111711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31111711 = 229 ⋅135859.

It can be written as a sum of positive squares in 2 ways, for example, as 3485689 + 8225424 = 1867^2 + 2868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11711113 is a prime.

It is a super-3 number, since 3×11711113³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11711123) 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, 344428 + ... + 344461.

It is an arithmetic number, because the mean of its divisors is an integer number (3100005).

Almost surely, 2^11711113 is an apocalyptic number.

It is an amenable number.

11711113 is a deficient number, since it is larger than the sum of its proper divisors (688907).

11711113 is an equidigital number, since it uses as much as digits as its factorization.

11711113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688906.

The product of its digits is 21, while the sum is 16.

The square root of 11711113 is about 3422.1503473693. The cubic root of 11711113 is about 227.0907216929.

Adding to 11711113 its reverse (31111711), we get a palindrome (42822824).

The spelling of 11711113 in words is "eleven million, seven hundred eleven thousand, one hundred thirteen".