16115111114 has 16 divisors (see below), whose sum is σ = 25032180480. Its totient is φ = 7772712480.

The previous prime is 16115111113. The next prime is 16115111203. The reversal of 16115111114 is 41111151161.

It is a self number, because there is not a number n which added to its sum of digits gives 16115111114.

It is not an unprimeable number, because it can be changed into a prime (16115111113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395804 + ... + 434615.

It is an arithmetic number, because the mean of its divisors is an integer number (1564511280).

Almost surely, 2^16115111114 is an apocalyptic number.

16115111114 is a deficient number, since it is larger than the sum of its proper divisors (8917069366).

16115111114 is a wasteful number, since it uses less digits than its factorization.

16115111114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830765.

The product of its digits is 120, while the sum is 23.

Adding to 16115111114 its reverse (41111151161), we get a palindrome (57226262275).

The spelling of 16115111114 in words is "sixteen billion, one hundred fifteen million, one hundred eleven thousand, one hundred fourteen".