156422554242321 has 8 divisors (see below), whose sum is σ = 209047311471744. Its totient is φ = 104039749920560.

The previous prime is 156422554242259. The next prime is 156422554242389. The reversal of 156422554242321 is 123242455224651.

It is a happy number.

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 156422554242321 - 2⁹ = 156422554241809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (156422554240321) 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, 60488225406 + ... + 60488227991.

It is an arithmetic number, because the mean of its divisors is an integer number (26130913933968).

Almost surely, 2^{156422554242321} is an apocalyptic number.

It is an amenable number.

156422554242321 is a deficient number, since it is larger than the sum of its proper divisors (52624757229423).

156422554242321 is a wasteful number, since it uses less digits than its factorization.

156422554242321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120976453831.

The product of its digits is 4608000, while the sum is 48.

The spelling of 156422554242321 in words is "one hundred fifty-six trillion, four hundred twenty-two billion, five hundred fifty-four million, two hundred forty-two thousand, three hundred twenty-one".