11051818 has 8 divisors (see below), whose sum is σ = 16670880. Its totient is φ = 5494860.

The previous prime is 11051809. The next prime is 11051827. The reversal of 11051818 is 81815011.

It is an interprime number because it is at equal distance from previous prime (11051809) and next prime (11051827).

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

It is a super-2 number, since 2×11051818² = 244285362210248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11051792 and 11051801.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15078 + ... + 15793.

It is an arithmetic number, because the mean of its divisors is an integer number (2083860).

Almost surely, 2^11051818 is an apocalyptic number.

11051818 is a deficient number, since it is larger than the sum of its proper divisors (5619062).

11051818 is a wasteful number, since it uses less digits than its factorization.

11051818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31052.

The product of its (nonzero) digits is 320, while the sum is 25.

The square root of 11051818 is about 3324.4274695051. The cubic root of 11051818 is about 222.7466809183.

Adding to 11051818 its reverse (81815011), we get a palindrome (92866829).

The spelling of 11051818 in words is "eleven million, fifty-one thousand, eight hundred eighteen".