156200012005 has 4 divisors (see below), whose sum is σ = 187440014412. Its totient is φ = 124960009600.

The previous prime is 156200011993. The next prime is 156200012011. The reversal of 156200012005 is 500210002651.

156200012005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 114583604004 + 41616408001 = 338502^2 + 204001^2 .

It is not a de Polignac number, because 156200012005 - 2⁹ = 156200011493 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15620001196 + ... + 15620001205.

It is an arithmetic number, because the mean of its divisors is an integer number (46860003603).

Almost surely, 2^156200012005 is an apocalyptic number.

It is an amenable number.

156200012005 is a deficient number, since it is larger than the sum of its proper divisors (31240002407).

156200012005 is an equidigital number, since it uses as much as digits as its factorization.

156200012005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31240002406.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 156200012005 its reverse (500210002651), we get a palindrome (656410014656).

The spelling of 156200012005 in words is "one hundred fifty-six billion, two hundred million, twelve thousand, five".