11816208134 has 32 divisors (see below), whose sum is σ = 18318432000. Its totient is φ = 5713092000.

The previous prime is 11816208109. The next prime is 11816208181. The reversal of 11816208134 is 43180261811.

It is a junction number, because it is equal to n+sod(n) for n = 11816208094 and 11816208103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4296992 + ... + 4299740.

It is an arithmetic number, because the mean of its divisors is an integer number (572451000).

Almost surely, 2^11816208134 is an apocalyptic number.

11816208134 is a deficient number, since it is larger than the sum of its proper divisors (6502223866).

11816208134 is a wasteful number, since it uses less digits than its factorization.

11816208134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276.

The product of its (nonzero) digits is 9216, while the sum is 35.

Adding to 11816208134 its reverse (43180261811), we get a palindrome (54996469945).

The spelling of 11816208134 in words is "eleven billion, eight hundred sixteen million, two hundred eight thousand, one hundred thirty-four".