11199825 has 72 divisors (see below), whose sum is σ = 24734528. Its totient is φ = 4717440.

The previous prime is 11199809. The next prime is 11199833. The reversal of 11199825 is 52899111.

11199825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11199825 - 2⁴ = 11199809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11199825.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20202 + ... + 20748.

Almost surely, 2^11199825 is an apocalyptic number.

11199825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11199825 is an abundant number, since it is smaller than the sum of its proper divisors (13534703).

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

11199825 is a wasteful number, since it uses less digits than its factorization.

11199825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 575 counting only the distinct ones).

The product of its digits is 6480, while the sum is 36.

The square root of 11199825 is about 3346.6139604083. The cubic root of 11199825 is about 223.7366231092.

The spelling of 11199825 in words is "eleven million, one hundred ninety-nine thousand, eight hundred twenty-five".