159420811 has 8 divisors (see below), whose sum is σ = 183067200. Its totient is φ = 137300040.

The previous prime is 159420809. The next prime is 159420829. The reversal of 159420811 is 118024951.

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 159420811 - 2¹ = 159420809 is a prime.

It is a super-3 number, since 3×159420811³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159420841) 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, 381181 + ... + 381598.

It is an arithmetic number, because the mean of its divisors is an integer number (22883400).

Almost surely, 2^159420811 is an apocalyptic number.

159420811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

159420811 is a deficient number, since it is larger than the sum of its proper divisors (23646389).

159420811 is a wasteful number, since it uses less digits than its factorization.

159420811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762809.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 159420811 is about 12626.1954285525. The cubic root of 159420811 is about 542.2276642826.

The spelling of 159420811 in words is "one hundred fifty-nine million, four hundred twenty thousand, eight hundred eleven".