11140621 has 4 divisors (see below), whose sum is σ = 11189500. Its totient is φ = 11091744.

The previous prime is 11140607. The next prime is 11140639. The reversal of 11140621 is 12604111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7918596 + 3222025 = 2814^2 + 1795^2 .

It is a cyclic number.

It is not a de Polignac number, because 11140621 - 2¹¹ = 11138573 is a prime.

It is a super-2 number, since 2×11140621² = 248226872531282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11140595 and 11140604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11140601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24096 + ... + 24553.

It is an arithmetic number, because the mean of its divisors is an integer number (2797375).

Almost surely, 2^11140621 is an apocalyptic number.

It is an amenable number.

11140621 is a deficient number, since it is larger than the sum of its proper divisors (48879).

11140621 is an equidigital number, since it uses as much as digits as its factorization.

11140621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48878.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 11140621 is about 3337.7568814999. The cubic root of 11140621 is about 223.3416909820.

Adding to 11140621 its reverse (12604111), we get a palindrome (23744732).

The spelling of 11140621 in words is "eleven million, one hundred forty thousand, six hundred twenty-one".