11140452 has 18 divisors (see below), whose sum is σ = 28160678. Its totient is φ = 3713472.

The previous prime is 11140447. The next prime is 11140469. The reversal of 11140452 is 25404111.

It can be written as a sum of positive squares in only one way, i.e., 7986276 + 3154176 = 2826^2 + 1776^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154693 + ... + 154764.

Almost surely, 2^11140452 is an apocalyptic number.

11140452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11140452 is an abundant number, since it is smaller than the sum of its proper divisors (17020226).

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

11140452 is a wasteful number, since it uses less digits than its factorization.

11140452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309467 (or 309462 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 11140452 is about 3337.7315650004. The cubic root of 11140452 is about 223.3405616333.

Adding to 11140452 its reverse (25404111), we get a palindrome (36544563).

The spelling of 11140452 in words is "eleven million, one hundred forty thousand, four hundred fifty-two".