11018998 has 8 divisors (see below), whose sum is σ = 16612992. Its totient is φ = 5481336.

The previous prime is 11018989. The next prime is 11019013. The reversal of 11018998 is 89981011.

It is a happy number.

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

It is a congruent 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, 13590 + ... + 14377.

It is an arithmetic number, because the mean of its divisors is an integer number (2076624).

Almost surely, 2^11018998 is an apocalyptic number.

11018998 is a deficient number, since it is larger than the sum of its proper divisors (5593994).

11018998 is a wasteful number, since it uses less digits than its factorization.

11018998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28166.

The product of its (nonzero) digits is 5184, while the sum is 37.

The square root of 11018998 is about 3319.4876110629. The cubic root of 11018998 is about 222.5259692787.

The spelling of 11018998 in words is "eleven million, eighteen thousand, nine hundred ninety-eight".