11117281418 has 8 divisors (see below), whose sum is σ = 16687645248. Its totient is φ = 5554733004.

The previous prime is 11117281381. The next prime is 11117281421. The reversal of 11117281418 is 81418271111.

It is a happy number.

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

It is a super-2 number, since 2×11117281418² (a number of 21 digits) contains 22 as substring.

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, 1950296 + ... + 1955987.

It is an arithmetic number, because the mean of its divisors is an integer number (2085955656).

Almost surely, 2^11117281418 is an apocalyptic number.

11117281418 is a deficient number, since it is larger than the sum of its proper divisors (5570363830).

11117281418 is a wasteful number, since it uses less digits than its factorization.

11117281418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907708.

The product of its digits is 3584, while the sum is 35.

The spelling of 11117281418 in words is "eleven billion, one hundred seventeen million, two hundred eighty-one thousand, four hundred eighteen".