11281037 has 2 divisors, whose sum is σ = 11281038. Its totient is φ = 11281036.

The previous prime is 11281031. The next prime is 11281051. The reversal of 11281037 is 73018211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7946761 + 3334276 = 2819^2 + 1826^2 .

It is a cyclic number.

It is not a de Polignac number, because 11281037 - 2¹⁴ = 11264653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11281031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5640518 + 5640519.

It is an arithmetic number, because the mean of its divisors is an integer number (5640519).

Almost surely, 2^11281037 is an apocalyptic number.

It is an amenable number.

11281037 is a deficient number, since it is larger than the sum of its proper divisors (1).

11281037 is an equidigital number, since it uses as much as digits as its factorization.

11281037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 11281037 is about 3358.7255023297. The cubic root of 11281037 is about 224.2761064333.

Adding to 11281037 its reverse (73018211), we get a palindrome (84299248).

The spelling of 11281037 in words is "eleven million, two hundred eighty-one thousand, thirty-seven".