2011118393 has 8 divisors (see below), whose sum is σ = 2030857920. Its totient is φ = 1991396560.

The previous prime is 2011118357. The next prime is 2011118449. The reversal of 2011118393 is 3938111102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011118393 is a prime.

It is a super-3 number, since 3×2011118393³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011118293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406388 + ... + 411306.

It is an arithmetic number, because the mean of its divisors is an integer number (253857240).

Almost surely, 2^2011118393 is an apocalyptic number.

It is an amenable number.

2011118393 is a deficient number, since it is larger than the sum of its proper divisors (19739527).

2011118393 is a wasteful number, since it uses less digits than its factorization.

2011118393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8847.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 2011118393 is about 44845.4946789530. The cubic root of 2011118393 is about 1262.2514530555.

Adding to 2011118393 its reverse (3938111102), we get a palindrome (5949229495).

The spelling of 2011118393 in words is "two billion, eleven million, one hundred eighteen thousand, three hundred ninety-three".