11550199 has 4 divisors (see below), whose sum is σ = 11557000. Its totient is φ = 11543400.

The previous prime is 11550193. The next prime is 11550223. The reversal of 11550199 is 99105511.

11550199 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 is a cyclic number.

It is not a de Polignac number, because 11550199 - 2¹³ = 11542007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11550199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11550193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1552 + ... + 5050.

It is an arithmetic number, because the mean of its divisors is an integer number (2889250).

Almost surely, 2^11550199 is an apocalyptic number.

11550199 is a deficient number, since it is larger than the sum of its proper divisors (6801).

11550199 is an equidigital number, since it uses as much as digits as its factorization.

11550199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6800.

The product of its (nonzero) digits is 2025, while the sum is 31.

The square root of 11550199 is about 3398.5583708390. The cubic root of 11550199 is about 226.0458243675.

It can be divided in two parts, 115501 and 99, that added together give a square (115600 = 340²).

The spelling of 11550199 in words is "eleven million, five hundred fifty thousand, one hundred ninety-nine".