11123134113 has 24 divisors (see below), whose sum is σ = 18579304128. Its totient is φ = 5867146656.

The previous prime is 11123134111. The next prime is 11123134117. The reversal of 11123134113 is 31143132111.

It is not a de Polignac number, because 11123134113 - 2¹ = 11123134111 is a prime.

It is a super-2 number, since 2×11123134113² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 11123134113.

It is not an unprimeable number, because it can be changed into a prime (11123134111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2908381 + ... + 2912202.

It is an arithmetic number, because the mean of its divisors is an integer number (774137672).

Almost surely, 2^11123134113 is an apocalyptic number.

11123134113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11123134113 is a deficient number, since it is larger than the sum of its proper divisors (7456170015).

11123134113 is a wasteful number, since it uses less digits than its factorization.

11123134113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820613 (or 5820606 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

Adding to 11123134113 its reverse (31143132111), we get a palindrome (42266266224).

The spelling of 11123134113 in words is "eleven billion, one hundred twenty-three million, one hundred thirty-four thousand, one hundred thirteen".