159712220011 has 4 divisors (see below), whose sum is σ = 159714927352. Its totient is φ = 159709512672.

The previous prime is 159712219967. The next prime is 159712220021. The reversal of 159712220011 is 110022217951.

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

It is a cyclic number.

It is not a de Polignac number, because 159712220011 - 2¹¹ = 159712217963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159712220021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263165 + ... + 1383838.

It is an arithmetic number, because the mean of its divisors is an integer number (39928731838).

Almost surely, 2^159712220011 is an apocalyptic number.

159712220011 is a deficient number, since it is larger than the sum of its proper divisors (2707341).

159712220011 is an equidigital number, since it uses as much as digits as its factorization.

159712220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707340.

The product of its (nonzero) digits is 2520, while the sum is 31.

Adding to 159712220011 its reverse (110022217951), we get a palindrome (269734437962).

The spelling of 159712220011 in words is "one hundred fifty-nine billion, seven hundred twelve million, two hundred twenty thousand, eleven".