11122345511 has 8 divisors (see below), whose sum is σ = 11232967200. Its totient is φ = 11011774752.

The previous prime is 11122345501. The next prime is 11122345517. The reversal of 11122345511 is 11554322111.

11122345511 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 a de Polignac number, because none of the positive numbers 2^k-11122345511 is a prime.

It is a super-2 number, since 2×11122345511² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122345517) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 547565 + ... + 567513.

It is an arithmetic number, because the mean of its divisors is an integer number (1404120900).

Almost surely, 2^11122345511 is an apocalyptic number.

11122345511 is a deficient number, since it is larger than the sum of its proper divisors (110621689).

11122345511 is a wasteful number, since it uses less digits than its factorization.

11122345511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25465.

The product of its digits is 1200, while the sum is 26.

Adding to 11122345511 its reverse (11554322111), we get a palindrome (22676667622).

The spelling of 11122345511 in words is "eleven billion, one hundred twenty-two million, three hundred forty-five thousand, five hundred eleven".