1116208013 has 4 divisors (see below), whose sum is σ = 1127045088. Its totient is φ = 1105370940.

The previous prime is 1116208001. The next prime is 1116208087. The reversal of 1116208013 is 3108026111.

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 1116208013 - 2⁶ = 1116207949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1116208013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116208213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5418383 + ... + 5418588.

It is an arithmetic number, because the mean of its divisors is an integer number (281761272).

Almost surely, 2^1116208013 is an apocalyptic number.

It is an amenable number.

1116208013 is a deficient number, since it is larger than the sum of its proper divisors (10837075).

1116208013 is a wasteful number, since it uses less digits than its factorization.

1116208013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10837074.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1116208013 is about 33409.6993850588. The cubic root of 1116208013 is about 1037.3254790981.

The spelling of 1116208013 in words is "one billion, one hundred sixteen million, two hundred eight thousand, thirteen".