159265471042 has 4 divisors (see below), whose sum is σ = 238898206566. Its totient is φ = 79632735520.

The previous prime is 159265471019. The next prime is 159265471087. The reversal of 159265471042 is 240174562951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240174562951 = 1997 ⋅120267683.

It can be written as a sum of positive squares in only one way, i.e., 135299644561 + 23965826481 = 367831^2 + 154809^2 .

It is a junction number, because it is equal to n+sod(n) for n = 159265470983 and 159265471001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39816367759 + ... + 39816367762.

Almost surely, 2^159265471042 is an apocalyptic number.

159265471042 is a deficient number, since it is larger than the sum of its proper divisors (79632735524).

159265471042 is an equidigital number, since it uses as much as digits as its factorization.

159265471042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79632735523.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 159265471042 in words is "one hundred fifty-nine billion, two hundred sixty-five million, four hundred seventy-one thousand, forty-two".