111016513 has 4 divisors (see below), whose sum is σ = 111047508. Its totient is φ = 110985520.

The previous prime is 111016501. The next prime is 111016517. The reversal of 111016513 is 315610111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 315610111 = 37 ⋅8530003.

It can be written as a sum of positive squares in 2 ways, for example, as 35378704 + 75637809 = 5948^2 + 8697^2 .

It is a cyclic number.

It is not a de Polignac number, because 111016513 - 2⁵ = 111016481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111016517) 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, 9298 + ... + 17563.

It is an arithmetic number, because the mean of its divisors is an integer number (27761877).

Almost surely, 2^111016513 is an apocalyptic number.

It is an amenable number.

111016513 is a deficient number, since it is larger than the sum of its proper divisors (30995).

111016513 is an equidigital number, since it uses as much as digits as its factorization.

111016513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30994.

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

The square root of 111016513 is about 10536.4373960082. The cubic root of 111016513 is about 480.6133839465.

Adding to 111016513 its reverse (315610111), we get a palindrome (426626624).

The spelling of 111016513 in words is "one hundred eleven million, sixteen thousand, five hundred thirteen".