16005000000311 has 8 divisors (see below), whose sum is σ = 19254135338880. Its totient is φ = 12996541353528.

The previous prime is 16005000000281. The next prime is 16005000000343. The reversal of 16005000000311 is 11300000050061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16005000000311 - 2⁶ = 16005000000247 is a prime.

It is a super-2 number, since 2×16005000000311² (a number of 27 digits) contains 22 as substring.

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 16005000000311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16005000006311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60169172801 + ... + 60169173066.

It is an arithmetic number, because the mean of its divisors is an integer number (2406766917360).

Almost surely, 2^{16005000000311} is an apocalyptic number.

16005000000311 is a deficient number, since it is larger than the sum of its proper divisors (3249135338569).

16005000000311 is a wasteful number, since it uses less digits than its factorization.

16005000000311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120338345893.

The product of its (nonzero) digits is 90, while the sum is 17.

Adding to 16005000000311 its reverse (11300000050061), we get a palindrome (27305000050372).

The spelling of 16005000000311 in words is "sixteen trillion, five billion, three hundred eleven", and thus it is an aban number.