11868118 has 4 divisors (see below), whose sum is σ = 17802180. Its totient is φ = 5934058.

The previous prime is 11868113. The next prime is 11868139. The reversal of 11868118 is 81186811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81186811 = 151 ⋅537661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11868113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2967028 + ... + 2967031.

It is an arithmetic number, because the mean of its divisors is an integer number (4450545).

Almost surely, 2^11868118 is an apocalyptic number.

11868118 is a deficient number, since it is larger than the sum of its proper divisors (5934062).

11868118 is an equidigital number, since it uses as much as digits as its factorization.

11868118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5934061.

The product of its digits is 3072, while the sum is 34.

The square root of 11868118 is about 3445.0134977965. The cubic root of 11868118 is about 228.1010504163.

The spelling of 11868118 in words is "eleven million, eight hundred sixty-eight thousand, one hundred eighteen".