11005899 has 8 divisors (see below), whose sum is σ = 15148032. Its totient is φ = 7100520.

The previous prime is 11005879. The next prime is 11005901. The reversal of 11005899 is 99850011.

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

It is not a de Polignac number, because 11005899 - 2⁵ = 11005867 is a prime.

It is a super-2 number, since 2×11005899² = 242259625596402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11005879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59079 + ... + 59264.

It is an arithmetic number, because the mean of its divisors is an integer number (1893504).

Almost surely, 2^11005899 is an apocalyptic number.

11005899 is a deficient number, since it is larger than the sum of its proper divisors (4142133).

11005899 is a wasteful number, since it uses less digits than its factorization.

11005899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118377.

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 11005899 is about 3317.5139788703. The cubic root of 11005899 is about 222.4377572814.

The spelling of 11005899 in words is "eleven million, five thousand, eight hundred ninety-nine".