11718101 has 4 divisors (see below), whose sum is σ = 11728812. Its totient is φ = 11707392.

The previous prime is 11718071. The next prime is 11718103. The reversal of 11718101 is 10181711.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10407076 + 1311025 = 3226^2 + 1145^2 .

It is a cyclic number.

It is not a de Polignac number, because 11718101 - 2⁶ = 11718037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11718103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3500 + ... + 5973.

It is an arithmetic number, because the mean of its divisors is an integer number (2932203).

Almost surely, 2^11718101 is an apocalyptic number.

It is an amenable number.

11718101 is a deficient number, since it is larger than the sum of its proper divisors (10711).

11718101 is an equidigital number, since it uses as much as digits as its factorization.

11718101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10710.

The product of its (nonzero) digits is 56, while the sum is 20.

The square root of 11718101 is about 3423.1711905775. The cubic root of 11718101 is about 227.1358809199.

Adding to 11718101 its reverse (10181711), we get a palindrome (21899812).

The spelling of 11718101 in words is "eleven million, seven hundred eighteen thousand, one hundred one".