11199761 has 4 divisors (see below), whose sum is σ = 11208372. Its totient is φ = 11191152.

The previous prime is 11199743. The next prime is 11199763. The reversal of 11199761 is 16799111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5909761 + 5290000 = 2431^2 + 2300^2 .

It is a cyclic number.

It is not a de Polignac number, because 11199761 - 2⁶ = 11199697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11199763) 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 in 3 ways as a sum of consecutive naturals, for example, 1910 + ... + 5103.

It is an arithmetic number, because the mean of its divisors is an integer number (2802093).

Almost surely, 2^11199761 is an apocalyptic number.

It is an amenable number.

11199761 is a deficient number, since it is larger than the sum of its proper divisors (8611).

11199761 is an equidigital number, since it uses as much as digits as its factorization.

11199761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8610.

The product of its digits is 3402, while the sum is 35.

The square root of 11199761 is about 3346.6043984911. The cubic root of 11199761 is about 223.7361969368.

The spelling of 11199761 in words is "eleven million, one hundred ninety-nine thousand, seven hundred sixty-one".