156216155205 has 24 divisors (see below), whose sum is σ = 274733869536. Its totient is φ = 75741165280.

The previous prime is 156216155189. The next prime is 156216155209. The reversal of 156216155205 is 502551612651.

156216155205 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 156216155205 - 2⁴ = 156216155189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156216155209) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 43032939 + ... + 43036568.

It is an arithmetic number, because the mean of its divisors is an integer number (11447244564).

Almost surely, 2^156216155205 is an apocalyptic number.

156216155205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

156216155205 is a deficient number, since it is larger than the sum of its proper divisors (118517714331).

156216155205 is a wasteful number, since it uses less digits than its factorization.

156216155205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86069537 (or 86069526 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 39.

Adding to 156216155205 its reverse (502551612651), we get a palindrome (658767767856).

The spelling of 156216155205 in words is "one hundred fifty-six billion, two hundred sixteen million, one hundred fifty-five thousand, two hundred five".