11885118 has 32 divisors (see below), whose sum is σ = 27617280. Its totient is φ = 3339360.

The previous prime is 11885113. The next prime is 11885123. The reversal of 11885118 is 81158811.

It is an interprime number because it is at equal distance from previous prime (11885113) and next prime (11885123).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11885113) 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, 243 + ... + 4881.

It is an arithmetic number, because the mean of its divisors is an integer number (863040).

Almost surely, 2^11885118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11885118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13808640).

11885118 is an abundant number, since it is smaller than the sum of its proper divisors (15732162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11885118 is a wasteful number, since it uses less digits than its factorization.

11885118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712.

The product of its digits is 2560, while the sum is 33.

The square root of 11885118 is about 3447.4799491803. The cubic root of 11885118 is about 228.2099097944.

The spelling of 11885118 in words is "eleven million, eight hundred eighty-five thousand, one hundred eighteen".