11123113434 has 8 divisors (see below), whose sum is σ = 22246226880. Its totient is φ = 3707704476.

The previous prime is 11123113403. The next prime is 11123113439. The reversal of 11123113434 is 43431132111.

It is a happy number.

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

11123113434 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11123113439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926926114 + ... + 926926125.

It is an arithmetic number, because the mean of its divisors is an integer number (2780778360).

Almost surely, 2^11123113434 is an apocalyptic number.

11123113434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11123113434 is a wasteful number, since it uses less digits than its factorization.

11123113434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853852244.

The product of its digits is 864, while the sum is 24.

Adding to 11123113434 its reverse (43431132111), we get a palindrome (54554245545).

The spelling of 11123113434 in words is "eleven billion, one hundred twenty-three million, one hundred thirteen thousand, four hundred thirty-four".