16502240052011 has 4 divisors (see below), whose sum is σ = 18859702916592. Its totient is φ = 14144777187432.

The previous prime is 16502240051897. The next prime is 16502240052097. The reversal of 16502240052011 is 11025004220561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16502240052011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16502240052611) 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, 1178731432280 + ... + 1178731432293.

It is an arithmetic number, because the mean of its divisors is an integer number (4714925729148).

Almost surely, 2^{16502240052011} is an apocalyptic number.

16502240052011 is a deficient number, since it is larger than the sum of its proper divisors (2357462864581).

16502240052011 is an equidigital number, since it uses as much as digits as its factorization.

16502240052011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357462864580.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 16502240052011 its reverse (11025004220561), we get a palindrome (27527244272572).

The spelling of 16502240052011 in words is "sixteen trillion, five hundred two billion, two hundred forty million, fifty-two thousand, eleven".