159109299426 has 128 divisors (see below), whose sum is σ = 431093514240. Its totient is φ = 37888948800.

The previous prime is 159109299359. The next prime is 159109299439. The reversal of 159109299426 is 624992901951.

159109299426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20236 + ... + 564471.

It is an arithmetic number, because the mean of its divisors is an integer number (3367918080).

Almost surely, 2^159109299426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159109299426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215546757120).

159109299426 is an abundant number, since it is smaller than the sum of its proper divisors (271984214814).

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

159109299426 is a wasteful number, since it uses less digits than its factorization.

159109299426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584780.

The product of its (nonzero) digits is 3149280, while the sum is 57.

The spelling of 159109299426 in words is "one hundred fifty-nine billion, one hundred nine million, two hundred ninety-nine thousand, four hundred twenty-six".