11351114551111 has 8 divisors (see below), whose sum is σ = 11365178242304. Its totient is φ = 11337059411640.

The previous prime is 11351114551109. The next prime is 11351114551253. The reversal of 11351114551111 is 11115541115311.

It is a happy number.

11351114551111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11351114551111 - 2¹ = 11351114551109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11351114581111) 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, 520456 + ... + 4793026.

It is an arithmetic number, because the mean of its divisors is an integer number (1420647280288).

Almost surely, 2^{11351114551111} is an apocalyptic number.

11351114551111 is a deficient number, since it is larger than the sum of its proper divisors (14063691193).

11351114551111 is a wasteful number, since it uses less digits than its factorization.

11351114551111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4275861.

The product of its digits is 1500, while the sum is 31.

Adding to 11351114551111 its reverse (11115541115311), we get a palindrome (22466655666422).

The spelling of 11351114551111 in words is "eleven trillion, three hundred fifty-one billion, one hundred fourteen million, five hundred fifty-one thousand, one hundred eleven".