159581013378044 has 6 divisors (see below), whose sum is σ = 279266773411584. Its totient is φ = 79790506689020.

The previous prime is 159581013378029. The next prime is 159581013378097. The reversal of 159581013378044 is 440873310185951.

159581013378044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×159581013378044³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19947626672252 + ... + 19947626672259.

It is an arithmetic number, because the mean of its divisors is an integer number (46544462235264).

Almost surely, 2^{159581013378044} is an apocalyptic number.

It is an amenable number.

159581013378044 is a deficient number, since it is larger than the sum of its proper divisors (119685760033540).

159581013378044 is a wasteful number, since it uses less digits than its factorization.

159581013378044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39895253344515 (or 39895253344513 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 59.

The spelling of 159581013378044 in words is "one hundred fifty-nine trillion, five hundred eighty-one billion, thirteen million, three hundred seventy-eight thousand, forty-four".