11563801 has 2 divisors, whose sum is σ = 11563802. Its totient is φ = 11563800.

The previous prime is 11563789. The next prime is 11563829. The reversal of 11563801 is 10836511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9603801 + 1960000 = 3099^2 + 1400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11563801 is a prime.

It is not a weakly prime, because it can be changed into another prime (11563891) 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, 5781900 + 5781901.

It is an arithmetic number, because the mean of its divisors is an integer number (5781901).

Almost surely, 2^11563801 is an apocalyptic number.

It is an amenable number.

11563801 is a deficient number, since it is larger than the sum of its proper divisors (1).

11563801 is an equidigital number, since it uses as much as digits as its factorization.

11563801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 11563801 is about 3400.5589246475. The cubic root of 11563801 is about 226.1345232473.

The spelling of 11563801 in words is "eleven million, five hundred sixty-three thousand, eight hundred one".