11199080 has 16 divisors (see below), whose sum is σ = 25198020. Its totient is φ = 4479616.

The previous prime is 11199079. The next prime is 11199101. The reversal of 11199080 is 8099111.

It can be written as a sum of positive squares in 2 ways, for example, as 11195716 + 3364 = 3346^2 + 58^2 .

It is an unprimeable number.

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, 139949 + ... + 140028.

Almost surely, 2^11199080 is an apocalyptic number.

11199080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11199080 is an abundant number, since it is smaller than the sum of its proper divisors (13998940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11199080 is a wasteful number, since it uses less digits than its factorization.

11199080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279988 (or 279984 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 29.

The square root of 11199080 is about 3346.5026520235. The cubic root of 11199080 is about 223.7316620948.

The spelling of 11199080 in words is "eleven million, one hundred ninety-nine thousand, eighty".