11540117 has 4 divisors (see below), whose sum is σ = 11555820. Its totient is φ = 11524416.

The previous prime is 11540107. The next prime is 11540129. The reversal of 11540117 is 71104511.

It is a happy number.

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 5058001 + 6482116 = 2249^2 + 2546^2 .

It is a cyclic number.

It is not a de Polignac number, because 11540117 - 2⁴ = 11540101 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 (11540107) 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, 6692 + ... + 8237.

It is an arithmetic number, because the mean of its divisors is an integer number (2888955).

Almost surely, 2^11540117 is an apocalyptic number.

It is an amenable number.

11540117 is a deficient number, since it is larger than the sum of its proper divisors (15703).

11540117 is an equidigital number, since it uses as much as digits as its factorization.

11540117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15702.

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 11540117 is about 3397.0747710346. The cubic root of 11540117 is about 225.9800345220.

Adding to 11540117 its reverse (71104511), we get a palindrome (82644628).

The spelling of 11540117 in words is "eleven million, five hundred forty thousand, one hundred seventeen".