11520361 has 2 divisors, whose sum is σ = 11520362. Its totient is φ = 11520360.

The previous prime is 11520343. The next prime is 11520371. The reversal of 11520361 is 16302511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11323225 + 197136 = 3365^2 + 444^2 .

It is a cyclic number.

It is not a de Polignac number, because 11520361 - 2¹⁷ = 11389289 is a prime.

It is not a weakly prime, because it can be changed into another prime (11520331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5760180 + 5760181.

It is an arithmetic number, because the mean of its divisors is an integer number (5760181).

Almost surely, 2^11520361 is an apocalyptic number.

It is an amenable number.

11520361 is a deficient number, since it is larger than the sum of its proper divisors (1).

11520361 is an equidigital number, since it uses as much as digits as its factorization.

11520361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 11520361 is about 3394.1657296013. The cubic root of 11520361 is about 225.8510060318.

Adding to 11520361 its reverse (16302511), we get a palindrome (27822872).

It can be divided in two parts, 11520 and 361, that added together give a square (11881 = 109²).

The spelling of 11520361 in words is "eleven million, five hundred twenty thousand, three hundred sixty-one".