11199544 has 8 divisors (see below), whose sum is σ = 20999160. Its totient is φ = 5599768.

The previous prime is 11199541. The next prime is 11199547. The reversal of 11199544 is 44599111.

It is an interprime number because it is at equal distance from previous prime (11199541) and next prime (11199547).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11199541) 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, 699964 + ... + 699979.

It is an arithmetic number, because the mean of its divisors is an integer number (2624895).

Almost surely, 2^11199544 is an apocalyptic number.

It is an amenable number.

11199544 is a deficient number, since it is larger than the sum of its proper divisors (9799616).

11199544 is a wasteful number, since it uses less digits than its factorization.

11199544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399949 (or 1399945 counting only the distinct ones).

The product of its digits is 6480, while the sum is 34.

The square root of 11199544 is about 3346.5719774121. The cubic root of 11199544 is about 223.7347519337.

The spelling of 11199544 in words is "eleven million, one hundred ninety-nine thousand, five hundred forty-four".