11361140 has 36 divisors (see below), whose sum is σ = 27756036. Its totient is φ = 3894912.

The previous prime is 11361139. The next prime is 11361143. The reversal of 11361140 is 4116311.

It can be written as a sum of positive squares in 2 ways, for example, as 7997584 + 3363556 = 2828^2 + 1834^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11361143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4817 + ... + 6776.

It is an arithmetic number, because the mean of its divisors is an integer number (771001).

Almost surely, 2^11361140 is an apocalyptic number.

11361140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11361140 is an abundant number, since it is smaller than the sum of its proper divisors (16394896).

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

11361140 is a wasteful number, since it uses less digits than its factorization.

11361140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11616 (or 11607 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 11361140 is about 3370.6290214143. The cubic root of 11361140 is about 224.8056923285.

Adding to 11361140 its reverse (4116311), we get a palindrome (15477451).

The spelling of 11361140 in words is "eleven million, three hundred sixty-one thousand, one hundred forty".