156506122241 has 16 divisors (see below), whose sum is σ = 179719741440. Its totient is φ = 133506851280.

The previous prime is 156506122229. The next prime is 156506122243. The reversal of 156506122241 is 142221605651.

It is a cyclic number.

It is not a de Polignac number, because 156506122241 - 2¹⁰ = 156506121217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156506122243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4557626 + ... + 4591836.

It is an arithmetic number, because the mean of its divisors is an integer number (11232483840).

Almost surely, 2^156506122241 is an apocalyptic number.

It is an amenable number.

156506122241 is a deficient number, since it is larger than the sum of its proper divisors (23213619199).

156506122241 is a wasteful number, since it uses less digits than its factorization.

156506122241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37324.

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 156506122241 its reverse (142221605651), we get a palindrome (298727727892).

The spelling of 156506122241 in words is "one hundred fifty-six billion, five hundred six million, one hundred twenty-two thousand, two hundred forty-one".