159056855 has 4 divisors (see below), whose sum is σ = 190868232. Its totient is φ = 127245480.

The previous prime is 159056831. The next prime is 159056873. The reversal of 159056855 is 558650951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 558650951 = 251 ⋅2225701.

It is not a de Polignac number, because 159056855 - 2¹² = 159052759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15905681 + ... + 15905690.

It is an arithmetic number, because the mean of its divisors is an integer number (47717058).

Almost surely, 2^159056855 is an apocalyptic number.

159056855 is a deficient number, since it is larger than the sum of its proper divisors (31811377).

159056855 is an equidigital number, since it uses as much as digits as its factorization.

159056855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31811376.

The product of its (nonzero) digits is 270000, while the sum is 44.

The square root of 159056855 is about 12611.7744588143. The cubic root of 159056855 is about 541.8147165592.

The spelling of 159056855 in words is "one hundred fifty-nine million, fifty-six thousand, eight hundred fifty-five".