11520117 has 16 divisors (see below), whose sum is σ = 19505280. Its totient is φ = 6582816.

The previous prime is 11520083. The next prime is 11520191. The reversal of 11520117 is 71102511.

It is a happy number.

It is not a de Polignac number, because 11520117 - 2¹⁰ = 11519093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11520117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30288 + ... + 30665.

It is an arithmetic number, because the mean of its divisors is an integer number (1219080).

Almost surely, 2^11520117 is an apocalyptic number.

It is an amenable number.

11520117 is a deficient number, since it is larger than the sum of its proper divisors (7985163).

11520117 is an equidigital number, since it uses as much as digits as its factorization.

11520117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60969 (or 60963 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The square root of 11520117 is about 3394.1297853795. The cubic root of 11520117 is about 225.8494115206.

Adding to 11520117 its reverse (71102511), we get a palindrome (82622628).

The spelling of 11520117 in words is "eleven million, five hundred twenty thousand, one hundred seventeen".