16115113 has 4 divisors (see below), whose sum is σ = 18417280. Its totient is φ = 13812948.

The previous prime is 16115107. The next prime is 16115119. The reversal of 16115113 is 31151161.

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 an interprime number because it is at equal distance from previous prime (16115107) and next prime (16115119).

It is a cyclic number.

It is not a de Polignac number, because 16115113 - 2⁹ = 16114601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16115119) 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, 1151073 + ... + 1151086.

It is an arithmetic number, because the mean of its divisors is an integer number (4604320).

Almost surely, 2^16115113 is an apocalyptic number.

It is an amenable number.

16115113 is a deficient number, since it is larger than the sum of its proper divisors (2302167).

16115113 is an equidigital number, since it uses as much as digits as its factorization.

16115113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302166.

The product of its digits is 90, while the sum is 19.

The square root of 16115113 is about 4014.3633368194. The cubic root of 16115113 is about 252.5870718889.

Adding to 16115113 its reverse (31151161), we get a palindrome (47266274).

It can be divided in two parts, 1611 and 5113, that added together give a square (6724 = 82²).

The spelling of 16115113 in words is "sixteen million, one hundred fifteen thousand, one hundred thirteen".