11411140 has 24 divisors (see below), whose sum is σ = 25807320. Its totient is φ = 4213248.

The previous prime is 11411137. The next prime is 11411143. The reversal of 11411140 is 4111411.

11411140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11411137) and next prime (11411143).

It can be written as a sum of positive squares in 4 ways, for example, as 1726596 + 9684544 = 1314^2 + 3112^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 11411140.

It is not an unprimeable number, because it can be changed into a prime (11411143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21685 + ... + 22204.

It is an arithmetic number, because the mean of its divisors is an integer number (1075305).

Almost surely, 2^11411140 is an apocalyptic number.

11411140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11411140 is an abundant number, since it is smaller than the sum of its proper divisors (14396180).

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

11411140 is a wasteful number, since it uses less digits than its factorization.

11411140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43911 (or 43909 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 11411140 is about 3378.0378920314. The cubic root of 11411140 is about 225.1349971765.

Adding to 11411140 its reverse (4111411), we get a palindrome (15522551).

It can be divided in two parts, 1 and 1411140, that added together give a palindrome (1411141).

The spelling of 11411140 in words is "eleven million, four hundred eleven thousand, one hundred forty".