11888899 has 8 divisors (see below), whose sum is σ = 13732848. Its totient is φ = 10172160.

The previous prime is 11888867. The next prime is 11888909. The reversal of 11888899 is 99888811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11888899 - 2⁵ = 11888867 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11888299) 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 7 ways as a sum of consecutive naturals, for example, 31602 + ... + 31975.

It is an arithmetic number, because the mean of its divisors is an integer number (1716606).

Almost surely, 2^11888899 is an apocalyptic number.

11888899 is a deficient number, since it is larger than the sum of its proper divisors (1843949).

11888899 is a wasteful number, since it uses less digits than its factorization.

11888899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63605.

The product of its digits is 331776, while the sum is 52.

The square root of 11888899 is about 3448.0282771462. The cubic root of 11888899 is about 228.2341072876.

The spelling of 11888899 in words is "eleven million, eight hundred eighty-eight thousand, eight hundred ninety-nine".