11340123511155 has 32 divisors (see below), whose sum is σ = 18566493369600. Its totient is φ = 5907305738880.

The previous prime is 11340123511121. The next prime is 11340123511201. The reversal of 11340123511155 is 55111532104311.

It is not a de Polignac number, because 11340123511155 - 2⁸ = 11340123510899 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45379500 + ... + 45628710.

It is an arithmetic number, because the mean of its divisors is an integer number (580202917800).

Almost surely, 2^{11340123511155} is an apocalyptic number.

11340123511155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11340123511155 is a deficient number, since it is larger than the sum of its proper divisors (7226369858445).

11340123511155 is a wasteful number, since it uses less digits than its factorization.

11340123511155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319811.

The product of its (nonzero) digits is 9000, while the sum is 33.

Adding to 11340123511155 its reverse (55111532104311), we get a palindrome (66451655615466).

The spelling of 11340123511155 in words is "eleven trillion, three hundred forty billion, one hundred twenty-three million, five hundred eleven thousand, one hundred fifty-five".