16988243811 has 32 divisors (see below), whose sum is σ = 28255948800. Its totient is φ = 8820139680.

The previous prime is 16988243809. The next prime is 16988243869. The reversal of 16988243811 is 11834288961.

16988243811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16988243811 - 2¹ = 16988243809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16988244811) 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 31 ways as a sum of consecutive naturals, for example, 414480 + ... + 453618.

It is an arithmetic number, because the mean of its divisors is an integer number (882998400).

Almost surely, 2^16988243811 is an apocalyptic number.

16988243811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16988243811 is a deficient number, since it is larger than the sum of its proper divisors (11267704989).

16988243811 is a wasteful number, since it uses less digits than its factorization.

16988243811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41039.

The product of its digits is 663552, while the sum is 51.

The spelling of 16988243811 in words is "sixteen billion, nine hundred eighty-eight million, two hundred forty-three thousand, eight hundred eleven".