11321801 has 2 divisors, whose sum is σ = 11321802. Its totient is φ = 11321800.

The previous prime is 11321759. The next prime is 11321831. The reversal of 11321801 is 10812311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6375625 + 4946176 = 2525^2 + 2224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11321801 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11321801.

It is not a weakly prime, because it can be changed into another prime (11321831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660900 + 5660901.

It is an arithmetic number, because the mean of its divisors is an integer number (5660901).

Almost surely, 2^11321801 is an apocalyptic number.

It is an amenable number.

11321801 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321801 is an equidigital number, since it uses as much as digits as its factorization.

11321801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 11321801 is about 3364.7884034512. The cubic root of 11321801 is about 224.5459220910.

The spelling of 11321801 in words is "eleven million, three hundred twenty-one thousand, eight hundred one".