11159898 has 8 divisors (see below), whose sum is σ = 22319808. Its totient is φ = 3719964.

The previous prime is 11159881. The next prime is 11159921. The reversal of 11159898 is 89895111.

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

11159898 is an admirable number.

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, 929986 + ... + 929997.

It is an arithmetic number, because the mean of its divisors is an integer number (2789976).

Almost surely, 2^11159898 is an apocalyptic number.

11159898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11159898 is a wasteful number, since it uses less digits than its factorization.

11159898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859988.

The product of its digits is 25920, while the sum is 42.

The square root of 11159898 is about 3340.6433512125. The cubic root of 11159898 is about 223.4704353589.

The spelling of 11159898 in words is "eleven million, one hundred fifty-nine thousand, eight hundred ninety-eight".