11180621 has 2 divisors, whose sum is σ = 11180622. Its totient is φ = 11180620.

The previous prime is 11180593. The next prime is 11180627. The reversal of 11180621 is 12608111.

11180621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10982596 + 198025 = 3314^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 11180621 - 2⁶ = 11180557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11180593 and 11180602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11180627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5590310 + 5590311.

It is an arithmetic number, because the mean of its divisors is an integer number (5590311).

Almost surely, 2^11180621 is an apocalyptic number.

It is an amenable number.

11180621 is a deficient number, since it is larger than the sum of its proper divisors (1).

11180621 is an equidigital number, since it uses as much as digits as its factorization.

11180621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 11180621 is about 3343.7435607415. The cubic root of 11180621 is about 223.6086718176.

Adding to 11180621 its reverse (12608111), we get a palindrome (23788732).

The spelling of 11180621 in words is "eleven million, one hundred eighty thousand, six hundred twenty-one".