11598281 has 2 divisors, whose sum is σ = 11598282. Its totient is φ = 11598280.

The previous prime is 11598271. The next prime is 11598287. The reversal of 11598281 is 18289511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10368400 + 1229881 = 3220^2 + 1109^2 .

It is a cyclic number.

It is not a de Polignac number, because 11598281 - 2¹⁸ = 11336137 is a prime.

It is a super-2 number, since 2×11598281² = 269040244309922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11598287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5799140 + 5799141.

It is an arithmetic number, because the mean of its divisors is an integer number (5799141).

Almost surely, 2^11598281 is an apocalyptic number.

It is an amenable number.

11598281 is a deficient number, since it is larger than the sum of its proper divisors (1).

11598281 is an equidigital number, since it uses as much as digits as its factorization.

11598281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 35.

The square root of 11598281 is about 3405.6249059460. The cubic root of 11598281 is about 226.3590567310.

The spelling of 11598281 in words is "eleven million, five hundred ninety-eight thousand, two hundred eighty-one".