159228503965 has 8 divisors (see below), whose sum is σ = 192765127608. Its totient is φ = 126255521280.

The previous prime is 159228503947. The next prime is 159228503971. The reversal of 159228503965 is 569305822951.

It can be written as a sum of positive squares in 4 ways, for example, as 889769241 + 158338734724 = 29829^2 + 397918^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 159228503965 - 2⁵ = 159228503933 is a prime.

It is a Duffinian number.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 140909616 + ... + 140910745.

It is an arithmetic number, because the mean of its divisors is an integer number (24095640951).

Almost surely, 2^159228503965 is an apocalyptic number.

It is an amenable number.

159228503965 is a deficient number, since it is larger than the sum of its proper divisors (33536623643).

159228503965 is a wasteful number, since it uses less digits than its factorization.

159228503965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281820479.

The product of its (nonzero) digits is 5832000, while the sum is 55.

The spelling of 159228503965 in words is "one hundred fifty-nine billion, two hundred twenty-eight million, five hundred three thousand, nine hundred sixty-five".