11145998 has 8 divisors (see below), whose sum is σ = 16744008. Its totient is φ = 5564664.

The previous prime is 11145997. The next prime is 11146001. The reversal of 11145998 is 89954111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11145997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2336 + ... + 5267.

It is an arithmetic number, because the mean of its divisors is an integer number (2093001).

Almost surely, 2^11145998 is an apocalyptic number.

11145998 is a deficient number, since it is larger than the sum of its proper divisors (5598010).

11145998 is an equidigital number, since it uses as much as digits as its factorization.

11145998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8338.

The product of its digits is 12960, while the sum is 38.

The square root of 11145998 is about 3338.5622654071. The cubic root of 11145998 is about 223.3776170200.

The spelling of 11145998 in words is "eleven million, one hundred forty-five thousand, nine hundred ninety-eight".