16111113 has 4 divisors (see below), whose sum is σ = 21481488. Its totient is φ = 10740740.

The previous prime is 16111079. The next prime is 16111127. The reversal of 16111113 is 31111161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16111113 - 2¹² = 16107017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16111092 and 16111101.

It is not an unprimeable number, because it can be changed into a prime (16111133) 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 3 ways as a sum of consecutive naturals, for example, 2685183 + ... + 2685188.

It is an arithmetic number, because the mean of its divisors is an integer number (5370372).

Almost surely, 2^16111113 is an apocalyptic number.

It is an amenable number.

16111113 is a deficient number, since it is larger than the sum of its proper divisors (5370375).

16111113 is an equidigital number, since it uses as much as digits as its factorization.

16111113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5370374.

The product of its digits is 18, while the sum is 15.

The square root of 16111113 is about 4013.8650948930. The cubic root of 16111113 is about 252.5661715929.

Adding to 16111113 its reverse (31111161), we get a palindrome (47222274).

The spelling of 16111113 in words is "sixteen million, one hundred eleven thousand, one hundred thirteen".