11173140 has 216 divisors, whose sum is σ = 40666080. Its totient is φ = 2566080.

The previous prime is 11173133. The next prime is 11173153. The reversal of 11173140 is 4137111.

11173140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 588051 + ... + 588069.

Almost surely, 2^11173140 is an apocalyptic number.

11173140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11173140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20333040).

11173140 is an abundant number, since it is smaller than the sum of its proper divisors (29492940).

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

11173140 is a wasteful number, since it uses less digits than its factorization.

11173140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 11173140 is about 3342.6247171946. The cubic root of 11173140 is about 223.5587881928.

The spelling of 11173140 in words is "eleven million, one hundred seventy-three thousand, one hundred forty".