16113555799999 has 16 divisors (see below), whose sum is σ = 19099373147200. Its totient is φ = 13585199251680.

The previous prime is 16113555799969. The next prime is 16113555800057. The reversal of 16113555799999 is 99999755531161.

It is not a de Polignac number, because 16113555799999 - 2⁵ = 16113555799967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16113555799919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385047084 + ... + 385088929.

It is an arithmetic number, because the mean of its divisors is an integer number (1193710821700).

Almost surely, 2^{16113555799999} is an apocalyptic number.

16113555799999 is a deficient number, since it is larger than the sum of its proper divisors (2985817347201).

16113555799999 is an frugal number, since it uses more digits than its factorization.

16113555799999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770136095 (or 770136081 counting only the distinct ones).

The product of its digits is 930021750, while the sum is 79.

The spelling of 16113555799999 in words is "sixteen trillion, one hundred thirteen billion, five hundred fifty-five million, seven hundred ninety-nine thousand, nine hundred ninety-nine".