159259776980 has 12 divisors (see below), whose sum is σ = 334445531700. Its totient is φ = 63703910784.

The previous prime is 159259776979. The next prime is 159259777007. The reversal of 159259776980 is 89677952951.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 43669296784 + 115590480196 = 208972^2 + 339986^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 159259776980.

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, 3981494405 + ... + 3981494444.

It is an arithmetic number, because the mean of its divisors is an integer number (27870460975).

Almost surely, 2^159259776980 is an apocalyptic number.

159259776980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159259776980 is an abundant number, since it is smaller than the sum of its proper divisors (175185754720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159259776980 is a wasteful number, since it uses less digits than its factorization.

159259776980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7962988858 (or 7962988856 counting only the distinct ones).

The product of its (nonzero) digits is 85730400, while the sum is 68.

The spelling of 159259776980 in words is "one hundred fifty-nine billion, two hundred fifty-nine million, seven hundred seventy-six thousand, nine hundred eighty".