11140560 has 60 divisors (see below), whose sum is σ = 37416132. Its totient is φ = 2970624.

The previous prime is 11140541. The next prime is 11140573. The reversal of 11140560 is 6504111.

It can be written as a sum of positive squares in 2 ways, for example, as 4359744 + 6780816 = 2088^2 + 2604^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×11140560² = 248224154227200, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7017 + ... + 8456.

Almost surely, 2^11140560 is an apocalyptic number.

11140560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11140560 is an abundant number, since it is smaller than the sum of its proper divisors (26275572).

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

11140560 is a wasteful number, since it uses less digits than its factorization.

11140560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15492 (or 15483 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 11140560 is about 3337.7477436139. The cubic root of 11140560 is about 223.3412833486.

Adding to 11140560 its reverse (6504111), we get a palindrome (17644671).

The spelling of 11140560 in words is "eleven million, one hundred forty thousand, five hundred sixty".