11130437 has 2 divisors, whose sum is σ = 11130438. Its totient is φ = 11130436.

The previous prime is 11130433. The next prime is 11130439. The reversal of 11130437 is 73403111.

It is a happy number.

11130437 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., 9278116 + 1852321 = 3046^2 + 1361^2 .

It is a cyclic number.

It is not a de Polignac number, because 11130437 - 2² = 11130433 is a prime.

Together with 11130439, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11130433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565218 + 5565219.

It is an arithmetic number, because the mean of its divisors is an integer number (5565219).

Almost surely, 2^11130437 is an apocalyptic number.

It is an amenable number.

11130437 is a deficient number, since it is larger than the sum of its proper divisors (1).

11130437 is an equidigital number, since it uses as much as digits as its factorization.

11130437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 11130437 is about 3336.2309572330. The cubic root of 11130437 is about 223.2736156266.

Adding to 11130437 its reverse (73403111), we get a palindrome (84533548).

The spelling of 11130437 in words is "eleven million, one hundred thirty thousand, four hundred thirty-seven".